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{
 "resourceType": "StructureDefinition",
 "id": "IHE.DSUBm.SubscriptionStatus-Heartbeat",
 "text": {
 "status": "extensions",
 "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;\"><tr style=\"border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top\"><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"The logical name of the element\">Name</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Information about the use of the element\">Flags</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Minimum and Maximum # of times the the element can appear in the instance\">Card.</a></th><th style=\"width: 100px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Reference to the type of the element\">Type</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Additional information about the element\">Description &amp; Constraints</a><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/></a></th></tr><tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_resource.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-IHE.DSUBm.SubscriptionStatus-Heartbeat-definitions.html#Parameters\">Parameters</a><a name=\"Parameters\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/uv/subscriptions-backport/STU1.1/StructureDefinition-backport-subscription-status-r4.html\">BackportSubscriptionStatusR4</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck05.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-IHE.DSUBm.SubscriptionStatus-Heartbeat-definitions.html#Parameters.parameter:type\" title=\"Slice type\">parameter:type</a><a name=\"Parameters.parameter\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Parameter containing the type of event for this notification</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck040.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-IHE.DSUBm.SubscriptionStatus-Heartbeat-definitions.html#Parameters.parameter:type.value[x]\">value[x]</a><a name=\"Parameters.parameter.value_x_\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">The type of event being conveyed with this notificaiton. Required Pattern: heartbeat</td></tr>\r\n<tr><td colspan=\"5\" class=\"hierarchy\"> <a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
 },
 "url": "https://profiles.ihe.net/ITI/DSUBm/StructureDefinition/IHE.DSUBm.SubscriptionStatus-Heartbeat",
 "version": "1.0.0",
 "name": "SubscriptionStatus_Heartbeat",
 "title": "SubscriptionStatus for the heartbeat event",
 "status": "active",
 "date": "2024-02-29T18:25:25+00:00",
 "publisher": "IHE IT Infrastructure Technical Committee",
 "contact": [
 {
 "telecom": [
 {
 "system": "url",
 "value": "https://www.ihe.net/ihe_domains/it_infrastructure/"
 }
 ]
 },
 {
 "telecom": [
 {
 "system": "email",
 "value": "iti@ihe.net"
 }
 ]
 },
 {
 "name": "IHE IT Infrastructure Technical Committee",
 "telecom": [
 {
 "system": "email",
 "value": "iti@ihe.net"
 }
 ]
 }
 ],
 "description": "Profile on the SubscriptionStatus resource for the heartbeat notification",
 "jurisdiction": [
 {
 "coding": [
 {
 "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
 "code": "001"
 }
 ]
 }
 ],
 "fhirVersion": "4.0.1",
 "mapping": [
 {
 "identity": "v2",
 "uri": "http://hl7.org/v2",
 "name": "HL7 v2 Mapping"
 },
 {
 "identity": "rim",
 "uri": "http://hl7.org/v3",
 "name": "RIM Mapping"
 },
 {
 "identity": "w5",
 "uri": "http://hl7.org/fhir/fivews",
 "name": "FiveWs Pattern Mapping"
 }
 ],
 "kind": "resource",
 "abstract": false,
 "type": "Parameters",
 "baseDefinition": "http://hl7.org/fhir/uv/subscriptions-backport/StructureDefinition/backport-subscription-status-r4",
 "derivation": "constraint",
 "snapshot": {
 "element": [
 {
 "id": "Parameters",
 "path": "Parameters",
 "short": "Parameter containing subscription status information",
 "definition": "This resource is a non-persisted resource used to pass information into and back from an [operation](http://hl7.org/fhir/R4/operations.html). It has no other use, and there is no RESTful endpoint associated with it.",
 "comment": "The parameters that may be used are defined by the OperationDefinition resource.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters",
 "min": 0,
 "max": "*"
 },
 "mustSupport": false,
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "Entity. Role, or Act"
 },
 {
 "identity": "v2",
 "map": "n/a"
 },
 {
 "identity": "rim",
 "map": "n/a"
 },
 {
 "identity": "w5",
 "map": "infrastructure.exchange"
 }
 ]
 },
 {
 "id": "Parameters.id",
 "path": "Parameters.id",
 "short": "Logical id of this artifact",
 "definition": "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
 "comment": "The only time that a resource does not have an id is when it is being submitted to the server using a create operation.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Resource.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "id"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.meta",
 "path": "Parameters.meta",
 "short": "Metadata about the resource",
 "definition": "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Resource.meta",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Meta"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.implicitRules",
 "path": "Parameters.implicitRules",
 "short": "A set of rules under which this content was created",
 "definition": "A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.",
 "comment": "Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Resource.implicitRules",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "uri"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": true,
 "isModifierReason": "This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation",
 "isSummary": true
 },
 {
 "id": "Parameters.language",
 "path": "Parameters.language",
 "short": "Language of the resource content",
 "definition": "The base language in which the resource is written.",
 "comment": "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Resource.language",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "code"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": false,
 "binding": {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
 "valueCanonical": "http://hl7.org/fhir/ValueSet/all-languages"
 },
 {
 "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
 "valueString": "Language"
 }
 ],
 "strength": "preferred",
 "description": "IETF language tag",
 "valueSet": "http://hl7.org/fhir/ValueSet/languages"
 }
 },
 {
 "id": "Parameters.parameter",
 "path": "Parameters.parameter",
 "slicing": {
 "discriminator": [
 {
 "type": "value",
 "path": "name"
 }
 ],
 "description": "Slice on parameter name",
 "ordered": false,
 "rules": "open"
 },
 "short": "Slices containing subscription status information",
 "definition": "A parameter passed to or received from the operation.",
 "min": 3,
 "max": "*",
 "base": {
 "path": "Parameters.parameter",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "BackboneElement"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children unless an empty Parameters resource",
 "expression": "hasValue() or (children().count() > id.count()) or $this is Parameters",
 "xpath": "@value|f:*|h:div|self::f:Parameters",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "inv-1",
 "severity": "error",
 "human": "A parameter must have one and only one of (value, resource, part)",
 "expression": "(part.exists() and value.empty() and resource.empty()) or (part.empty() and (value.exists() xor resource.exists()))",
 "xpath": "(exists(f:part) and not(exists(f:*[starts-with(local-name(.), 'value')])) and not(exists(f:resource))) or (not(exists(f:part)) and (exists(f:*[starts-with(local-name(.),'value')]) != exists(f:resource)))",
 "source": "http://hl7.org/fhir/StructureDefinition/Parameters"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter.id",
 "path": "Parameters.parameter.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "Unique id for inter-element referencing",
 "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "string"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter.extension",
 "path": "Parameters.parameter.extension",
 "short": "Additional content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "alias": [
 "extensions",
 "user content"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter.modifierExtension",
 "path": "Parameters.parameter.modifierExtension",
 "short": "Extensions that cannot be ignored even if unrecognized",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
 "alias": [
 "extensions",
 "user content",
 "modifiers"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "BackboneElement.modifierExtension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": true,
 "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
 "isSummary": true,
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Parameters.parameter.name",
 "path": "Parameters.parameter.name",
 "short": "Name from the definition",
 "definition": "The name of the parameter (reference to the operation definition).",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.name",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter.value[x]",
 "extension": [
 {
 "url": "http://hl7.org/fhir/build/StructureDefinition/no-binding",
 "valueBoolean": true
 }
 ],
 "path": "Parameters.parameter.value[x]",
 "short": "If parameter is a data type",
 "definition": "Conveys the content if the parameter is a data type.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "base64Binary"
 },
 {
 "code": "boolean"
 },
 {
 "code": "canonical"
 },
 {
 "code": "code"
 },
 {
 "code": "date"
 },
 {
 "code": "dateTime"
 },
 {
 "code": "decimal"
 },
 {
 "code": "id"
 },
 {
 "code": "instant"
 },
 {
 "code": "integer"
 },
 {
 "code": "markdown"
 },
 {
 "code": "oid"
 },
 {
 "code": "positiveInt"
 },
 {
 "code": "string"
 },
 {
 "code": "time"
 },
 {
 "code": "unsignedInt"
 },
 {
 "code": "uri"
 },
 {
 "code": "url"
 },
 {
 "code": "uuid"
 },
 {
 "code": "Address"
 },
 {
 "code": "Age"
 },
 {
 "code": "Annotation"
 },
 {
 "code": "Attachment"
 },
 {
 "code": "CodeableConcept"
 },
 {
 "code": "Coding"
 },
 {
 "code": "ContactPoint"
 },
 {
 "code": "Count"
 },
 {
 "code": "Distance"
 },
 {
 "code": "Duration"
 },
 {
 "code": "HumanName"
 },
 {
 "code": "Identifier"
 },
 {
 "code": "Money"
 },
 {
 "code": "Period"
 },
 {
 "code": "Quantity"
 },
 {
 "code": "Range"
 },
 {
 "code": "Ratio"
 },
 {
 "code": "Reference"
 },
 {
 "code": "SampledData"
 },
 {
 "code": "Signature"
 },
 {
 "code": "Timing"
 },
 {
 "code": "ContactDetail"
 },
 {
 "code": "Contributor"
 },
 {
 "code": "DataRequirement"
 },
 {
 "code": "Expression"
 },
 {
 "code": "ParameterDefinition"
 },
 {
 "code": "RelatedArtifact"
 },
 {
 "code": "TriggerDefinition"
 },
 {
 "code": "UsageContext"
 },
 {
 "code": "Dosage"
 },
 {
 "code": "Meta"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter.resource",
 "path": "Parameters.parameter.resource",
 "short": "If parameter is a whole resource",
 "definition": "If the parameter is a whole resource.",
 "comment": "When resolving references in resources, the operation definition may specify how references may be resolved between parameters. If a reference cannot be resolved between the parameters, the application should fall back to it's general resource resolution methods.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.resource",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Resource"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter.part",
 "path": "Parameters.parameter.part",
 "short": "Named part of a multi-part parameter",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "contentReference": "http://hl7.org/fhir/StructureDefinition/Parameters#Parameters.parameter",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:subscription",
 "path": "Parameters.parameter",
 "sliceName": "subscription",
 "short": "Parameter containing the reference to a subscription",
 "definition": "A parameter passed to or received from the operation.",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "BackboneElement"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children unless an empty Parameters resource",
 "expression": "hasValue() or (children().count() > id.count()) or $this is Parameters",
 "xpath": "@value|f:*|h:div|self::f:Parameters",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "inv-1",
 "severity": "error",
 "human": "A parameter must have one and only one of (value, resource, part)",
 "expression": "(part.exists() and value.empty() and resource.empty()) or (part.empty() and (value.exists() xor resource.exists()))",
 "xpath": "(exists(f:part) and not(exists(f:*[starts-with(local-name(.), 'value')])) and not(exists(f:resource))) or (not(exists(f:part)) and (exists(f:*[starts-with(local-name(.),'value')]) != exists(f:resource)))",
 "source": "http://hl7.org/fhir/StructureDefinition/Parameters"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:subscription.id",
 "path": "Parameters.parameter.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "Unique id for inter-element referencing",
 "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "string"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:subscription.extension",
 "path": "Parameters.parameter.extension",
 "short": "Additional content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "alias": [
 "extensions",
 "user content"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:subscription.modifierExtension",
 "path": "Parameters.parameter.modifierExtension",
 "short": "Extensions that cannot be ignored even if unrecognized",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
 "alias": [
 "extensions",
 "user content",
 "modifiers"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "BackboneElement.modifierExtension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": true,
 "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
 "isSummary": true,
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Parameters.parameter:subscription.name",
 "path": "Parameters.parameter.name",
 "short": "Slice discriminator: the reference to a subscription",
 "definition": "The name of the parameter (reference to the operation definition).",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.name",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "fixedString": "subscription",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:subscription.value[x]",
 "extension": [
 {
 "url": "http://hl7.org/fhir/build/StructureDefinition/no-binding",
 "valueBoolean": true
 }
 ],
 "path": "Parameters.parameter.value[x]",
 "short": "Reference to the Subscription responsible for this notification",
 "definition": "The reference to the Subscription which generated this notification.",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Reference",
 "targetProfile": [
 "http://hl7.org/fhir/StructureDefinition/Subscription"
 ]
 }
 ],
 "condition": [
 "inv-1"
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:subscription.resource",
 "path": "Parameters.parameter.resource",
 "short": "If parameter is a whole resource",
 "definition": "If the parameter is a whole resource.",
 "comment": "When resolving references in resources, the operation definition may specify how references may be resolved between parameters. If a reference cannot be resolved between the parameters, the application should fall back to it's general resource resolution methods.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.resource",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Resource"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:subscription.part",
 "path": "Parameters.parameter.part",
 "short": "Named part of a multi-part parameter",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "contentReference": "http://hl7.org/fhir/StructureDefinition/Parameters#Parameters.parameter",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:topic",
 "path": "Parameters.parameter",
 "sliceName": "topic",
 "short": "Parameter containing the canonical reference to a subscription topic",
 "definition": "A parameter passed to or received from the operation.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "BackboneElement"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children unless an empty Parameters resource",
 "expression": "hasValue() or (children().count() > id.count()) or $this is Parameters",
 "xpath": "@value|f:*|h:div|self::f:Parameters",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "inv-1",
 "severity": "error",
 "human": "A parameter must have one and only one of (value, resource, part)",
 "expression": "(part.exists() and value.empty() and resource.empty()) or (part.empty() and (value.exists() xor resource.exists()))",
 "xpath": "(exists(f:part) and not(exists(f:*[starts-with(local-name(.), 'value')])) and not(exists(f:resource))) or (not(exists(f:part)) and (exists(f:*[starts-with(local-name(.),'value')]) != exists(f:resource)))",
 "source": "http://hl7.org/fhir/StructureDefinition/Parameters"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:topic.id",
 "path": "Parameters.parameter.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "Unique id for inter-element referencing",
 "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "string"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:topic.extension",
 "path": "Parameters.parameter.extension",
 "short": "Additional content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "alias": [
 "extensions",
 "user content"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:topic.modifierExtension",
 "path": "Parameters.parameter.modifierExtension",
 "short": "Extensions that cannot be ignored even if unrecognized",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
 "alias": [
 "extensions",
 "user content",
 "modifiers"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "BackboneElement.modifierExtension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": true,
 "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
 "isSummary": true,
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Parameters.parameter:topic.name",
 "path": "Parameters.parameter.name",
 "short": "Slice discriminator: the canonical reference to a subscription topic",
 "definition": "The name of the parameter (reference to the operation definition).",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.name",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "fixedString": "topic",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:topic.value[x]",
 "extension": [
 {
 "url": "http://hl7.org/fhir/build/StructureDefinition/no-binding",
 "valueBoolean": true
 }
 ],
 "path": "Parameters.parameter.value[x]",
 "short": "Canonical reference to the SubscriptionTopic this notification relates to",
 "definition": "Canonical reference to the SubscriptionTopic for the Subscription which generated this notification.",
 "comment": "This value SHOULD NOT be present when using `empty` payloads, MAY be present when using id-only payloads, and SHOULD be present when using `full-resource` payloads.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "canonical"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:topic.resource",
 "path": "Parameters.parameter.resource",
 "short": "If parameter is a whole resource",
 "definition": "If the parameter is a whole resource.",
 "comment": "When resolving references in resources, the operation definition may specify how references may be resolved between parameters. If a reference cannot be resolved between the parameters, the application should fall back to it's general resource resolution methods.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.resource",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Resource"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:topic.part",
 "path": "Parameters.parameter.part",
 "short": "Named part of a multi-part parameter",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "contentReference": "http://hl7.org/fhir/StructureDefinition/Parameters#Parameters.parameter",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:status",
 "path": "Parameters.parameter",
 "sliceName": "status",
 "short": "Parameter containing the subscription status",
 "definition": "A parameter passed to or received from the operation.",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "BackboneElement"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children unless an empty Parameters resource",
 "expression": "hasValue() or (children().count() > id.count()) or $this is Parameters",
 "xpath": "@value|f:*|h:div|self::f:Parameters",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "inv-1",
 "severity": "error",
 "human": "A parameter must have one and only one of (value, resource, part)",
 "expression": "(part.exists() and value.empty() and resource.empty()) or (part.empty() and (value.exists() xor resource.exists()))",
 "xpath": "(exists(f:part) and not(exists(f:*[starts-with(local-name(.), 'value')])) and not(exists(f:resource))) or (not(exists(f:part)) and (exists(f:*[starts-with(local-name(.),'value')]) != exists(f:resource)))",
 "source": "http://hl7.org/fhir/StructureDefinition/Parameters"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:status.id",
 "path": "Parameters.parameter.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "Unique id for inter-element referencing",
 "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "string"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:status.extension",
 "path": "Parameters.parameter.extension",
 "short": "Additional content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "alias": [
 "extensions",
 "user content"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:status.modifierExtension",
 "path": "Parameters.parameter.modifierExtension",
 "short": "Extensions that cannot be ignored even if unrecognized",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
 "alias": [
 "extensions",
 "user content",
 "modifiers"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "BackboneElement.modifierExtension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": true,
 "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
 "isSummary": true,
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Parameters.parameter:status.name",
 "path": "Parameters.parameter.name",
 "short": "Slice discriminator: the subscription status",
 "definition": "The name of the parameter (reference to the operation definition).",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.name",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "fixedString": "status",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:status.value[x]",
 "extension": [
 {
 "url": "http://hl7.org/fhir/build/StructureDefinition/no-binding",
 "valueBoolean": true
 }
 ],
 "path": "Parameters.parameter.value[x]",
 "short": "Status of the subscription when this notification was generated",
 "definition": "The status of the subscription, which marks the server state for managing the subscription.",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "code"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true,
 "binding": {
 "strength": "required",
 "valueSet": "http://hl7.org/fhir/ValueSet/subscription-status"
 }
 },
 {
 "id": "Parameters.parameter:status.resource",
 "path": "Parameters.parameter.resource",
 "short": "If parameter is a whole resource",
 "definition": "If the parameter is a whole resource.",
 "comment": "When resolving references in resources, the operation definition may specify how references may be resolved between parameters. If a reference cannot be resolved between the parameters, the application should fall back to it's general resource resolution methods.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.resource",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Resource"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:status.part",
 "path": "Parameters.parameter.part",
 "short": "Named part of a multi-part parameter",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "contentReference": "http://hl7.org/fhir/StructureDefinition/Parameters#Parameters.parameter",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:type",
 "path": "Parameters.parameter",
 "sliceName": "type",
 "short": "Parameter containing the type of event for this notification",
 "definition": "A parameter passed to or received from the operation.",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "BackboneElement"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children unless an empty Parameters resource",
 "expression": "hasValue() or (children().count() > id.count()) or $this is Parameters",
 "xpath": "@value|f:*|h:div|self::f:Parameters",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "inv-1",
 "severity": "error",
 "human": "A parameter must have one and only one of (value, resource, part)",
 "expression": "(part.exists() and value.empty() and resource.empty()) or (part.empty() and (value.exists() xor resource.exists()))",
 "xpath": "(exists(f:part) and not(exists(f:*[starts-with(local-name(.), 'value')])) and not(exists(f:resource))) or (not(exists(f:part)) and (exists(f:*[starts-with(local-name(.),'value')]) != exists(f:resource)))",
 "source": "http://hl7.org/fhir/StructureDefinition/Parameters"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:type.id",
 "path": "Parameters.parameter.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "Unique id for inter-element referencing",
 "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "string"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:type.extension",
 "path": "Parameters.parameter.extension",
 "short": "Additional content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "alias": [
 "extensions",
 "user content"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:type.modifierExtension",
 "path": "Parameters.parameter.modifierExtension",
 "short": "Extensions that cannot be ignored even if unrecognized",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
 "alias": [
 "extensions",
 "user content",
 "modifiers"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "BackboneElement.modifierExtension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": true,
 "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
 "isSummary": true,
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Parameters.parameter:type.name",
 "path": "Parameters.parameter.name",
 "short": "Slice discriminator: the type of event for this notification",
 "definition": "The name of the parameter (reference to the operation definition).",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.name",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "fixedString": "type",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:type.value[x]",
 "extension": [
 {
 "url": "http://hl7.org/fhir/build/StructureDefinition/no-binding",
 "valueBoolean": true
 }
 ],
 "path": "Parameters.parameter.value[x]",
 "short": "The type of event being conveyed with this notificaiton.",
 "definition": "Conveys the content if the parameter is a data type.",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "code"
 }
 ],
 "patternCode": "heartbeat",
 "condition": [
 "inv-1"
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true,
 "binding": {
 "strength": "required",
 "valueSet": "http://hl7.org/fhir/ValueSet/subscription-notification-type"
 }
 },
 {
 "id": "Parameters.parameter:type.resource",
 "path": "Parameters.parameter.resource",
 "short": "If parameter is a whole resource",
 "definition": "If the parameter is a whole resource.",
 "comment": "When resolving references in resources, the operation definition may specify how references may be resolved between parameters. If a reference cannot be resolved between the parameters, the application should fall back to it's general resource resolution methods.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.resource",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Resource"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:type.part",
 "path": "Parameters.parameter.part",
 "short": "Named part of a multi-part parameter",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "contentReference": "http://hl7.org/fhir/StructureDefinition/Parameters#Parameters.parameter",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:eventsSinceSubscriptionStart",
 "path": "Parameters.parameter",
 "sliceName": "eventsSinceSubscriptionStart",
 "short": "Parameter containing the number of events since this subscription started",
 "definition": "A parameter passed to or received from the operation.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "BackboneElement"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children unless an empty Parameters resource",
 "expression": "hasValue() or (children().count() > id.count()) or $this is Parameters",
 "xpath": "@value|f:*|h:div|self::f:Parameters",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "inv-1",
 "severity": "error",
 "human": "A parameter must have one and only one of (value, resource, part)",
 "expression": "(part.exists() and value.empty() and resource.empty()) or (part.empty() and (value.exists() xor resource.exists()))",
 "xpath": "(exists(f:part) and not(exists(f:*[starts-with(local-name(.), 'value')])) and not(exists(f:resource))) or (not(exists(f:part)) and (exists(f:*[starts-with(local-name(.),'value')]) != exists(f:resource)))",
 "source": "http://hl7.org/fhir/StructureDefinition/Parameters"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:eventsSinceSubscriptionStart.id",
 "path": "Parameters.parameter.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "Unique id for inter-element referencing",
 "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "string"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:eventsSinceSubscriptionStart.extension",
 "path": "Parameters.parameter.extension",
 "short": "Additional content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "alias": [
 "extensions",
 "user content"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:eventsSinceSubscriptionStart.modifierExtension",
 "path": "Parameters.parameter.modifierExtension",
 "short": "Extensions that cannot be ignored even if unrecognized",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
 "alias": [
 "extensions",
 "user content",
 "modifiers"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "BackboneElement.modifierExtension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": true,
 "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
 "isSummary": true,
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Parameters.parameter:eventsSinceSubscriptionStart.name",
 "path": "Parameters.parameter.name",
 "short": "Slice discriminator: the number of events since this subscription started",
 "definition": "The name of the parameter (reference to the operation definition).",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.name",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "fixedString": "events-since-subscription-start",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:eventsSinceSubscriptionStart.value[x]",
 "extension": [
 {
 "url": "http://hl7.org/fhir/build/StructureDefinition/no-binding",
 "valueBoolean": true
 }
 ],
 "path": "Parameters.parameter.value[x]",
 "short": "Events since the Subscription was created",
 "definition": "The total number of actual events which have been generated since the Subscription was created (inclusive of this notification) - regardless of how many have been successfully communicated. This number is NOT incremented for handshake and heartbeat notifications.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:eventsSinceSubscriptionStart.resource",
 "path": "Parameters.parameter.resource",
 "short": "If parameter is a whole resource",
 "definition": "If the parameter is a whole resource.",
 "comment": "When resolving references in resources, the operation definition may specify how references may be resolved between parameters. If a reference cannot be resolved between the parameters, the application should fall back to it's general resource resolution methods.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.resource",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Resource"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:eventsSinceSubscriptionStart.part",
 "path": "Parameters.parameter.part",
 "short": "Named part of a multi-part parameter",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "contentReference": "http://hl7.org/fhir/StructureDefinition/Parameters#Parameters.parameter",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent",
 "path": "Parameters.parameter",
 "sliceName": "notificationEvent",
 "short": "Parameter containing the event notification details",
 "definition": "A parameter passed to or received from the operation.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "BackboneElement"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children unless an empty Parameters resource",
 "expression": "hasValue() or (children().count() > id.count()) or $this is Parameters",
 "xpath": "@value|f:*|h:div|self::f:Parameters",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "inv-1",
 "severity": "error",
 "human": "A parameter must have one and only one of (value, resource, part)",
 "expression": "(part.exists() and value.empty() and resource.empty()) or (part.empty() and (value.exists() xor resource.exists()))",
 "xpath": "(exists(f:part) and not(exists(f:*[starts-with(local-name(.), 'value')])) and not(exists(f:resource))) or (not(exists(f:part)) and (exists(f:*[starts-with(local-name(.),'value')]) != exists(f:resource)))",
 "source": "http://hl7.org/fhir/StructureDefinition/Parameters"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.id",
 "path": "Parameters.parameter.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "Unique id for inter-element referencing",
 "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "string"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.extension",
 "path": "Parameters.parameter.extension",
 "short": "Additional content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "alias": [
 "extensions",
 "user content"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.modifierExtension",
 "path": "Parameters.parameter.modifierExtension",
 "short": "Extensions that cannot be ignored even if unrecognized",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
 "alias": [
 "extensions",
 "user content",
 "modifiers"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "BackboneElement.modifierExtension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": true,
 "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
 "isSummary": true,
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.name",
 "path": "Parameters.parameter.name",
 "short": "Parameter containing notification event details",
 "definition": "The name of the parameter (reference to the operation definition).",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.name",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "fixedString": "notification-event",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.value[x]",
 "extension": [
 {
 "url": "http://hl7.org/fhir/build/StructureDefinition/no-binding",
 "valueBoolean": true
 }
 ],
 "path": "Parameters.parameter.value[x]",
 "short": "If parameter is a data type",
 "definition": "Conveys the content if the parameter is a data type.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "base64Binary"
 },
 {
 "code": "boolean"
 },
 {
 "code": "canonical"
 },
 {
 "code": "code"
 },
 {
 "code": "date"
 },
 {
 "code": "dateTime"
 },
 {
 "code": "decimal"
 },
 {
 "code": "id"
 },
 {
 "code": "instant"
 },
 {
 "code": "integer"
 },
 {
 "code": "markdown"
 },
 {
 "code": "oid"
 },
 {
 "code": "positiveInt"
 },
 {
 "code": "string"
 },
 {
 "code": "time"
 },
 {
 "code": "unsignedInt"
 },
 {
 "code": "uri"
 },
 {
 "code": "url"
 },
 {
 "code": "uuid"
 },
 {
 "code": "Address"
 },
 {
 "code": "Age"
 },
 {
 "code": "Annotation"
 },
 {
 "code": "Attachment"
 },
 {
 "code": "CodeableConcept"
 },
 {
 "code": "Coding"
 },
 {
 "code": "ContactPoint"
 },
 {
 "code": "Count"
 },
 {
 "code": "Distance"
 },
 {
 "code": "Duration"
 },
 {
 "code": "HumanName"
 },
 {
 "code": "Identifier"
 },
 {
 "code": "Money"
 },
 {
 "code": "Period"
 },
 {
 "code": "Quantity"
 },
 {
 "code": "Range"
 },
 {
 "code": "Ratio"
 },
 {
 "code": "Reference"
 },
 {
 "code": "SampledData"
 },
 {
 "code": "Signature"
 },
 {
 "code": "Timing"
 },
 {
 "code": "ContactDetail"
 },
 {
 "code": "Contributor"
 },
 {
 "code": "DataRequirement"
 },
 {
 "code": "Expression"
 },
 {
 "code": "ParameterDefinition"
 },
 {
 "code": "RelatedArtifact"
 },
 {
 "code": "TriggerDefinition"
 },
 {
 "code": "UsageContext"
 },
 {
 "code": "Dosage"
 },
 {
 "code": "Meta"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.resource",
 "path": "Parameters.parameter.resource",
 "short": "If parameter is a whole resource",
 "definition": "If the parameter is a whole resource.",
 "comment": "When resolving references in resources, the operation definition may specify how references may be resolved between parameters. If a reference cannot be resolved between the parameters, the application should fall back to it's general resource resolution methods.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.resource",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Resource"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part",
 "path": "Parameters.parameter.part",
 "slicing": {
 "discriminator": [
 {
 "type": "value",
 "path": "name"
 }
 ],
 "description": "Slice on notification event parameter name",
 "ordered": false,
 "rules": "open"
 },
 "short": "Named part of a multi-part parameter",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 1,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "contentReference": "http://hl7.org/fhir/StructureDefinition/Parameters#Parameters.parameter",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventNumber",
 "path": "Parameters.parameter.part",
 "sliceName": "eventNumber",
 "short": "Parameter containing the event number",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "BackboneElement"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventNumber.id",
 "path": "Parameters.parameter.part.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "Unique id for inter-element referencing",
 "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "string"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventNumber.extension",
 "path": "Parameters.parameter.part.extension",
 "short": "Additional content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "alias": [
 "extensions",
 "user content"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventNumber.modifierExtension",
 "path": "Parameters.parameter.part.modifierExtension",
 "short": "Extensions that cannot be ignored even if unrecognized",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
 "alias": [
 "extensions",
 "user content",
 "modifiers"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "BackboneElement.modifierExtension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": true,
 "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
 "isSummary": true,
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventNumber.name",
 "path": "Parameters.parameter.part.name",
 "short": "Slice discriminator: the event number",
 "definition": "The name of the parameter (reference to the operation definition).",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.name",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "fixedString": "event-number",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventNumber.value[x]",
 "extension": [
 {
 "url": "http://hl7.org/fhir/build/StructureDefinition/no-binding",
 "valueBoolean": true
 }
 ],
 "path": "Parameters.parameter.part.value[x]",
 "short": "Event number",
 "definition": "The sequential number of this event in this subscription context.",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventNumber.resource",
 "path": "Parameters.parameter.part.resource",
 "short": "If parameter is a whole resource",
 "definition": "If the parameter is a whole resource.",
 "comment": "When resolving references in resources, the operation definition may specify how references may be resolved between parameters. If a reference cannot be resolved between the parameters, the application should fall back to it's general resource resolution methods.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.resource",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Resource"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventNumber.part",
 "path": "Parameters.parameter.part.part",
 "short": "Named part of a multi-part parameter",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "contentReference": "http://hl7.org/fhir/StructureDefinition/Parameters#Parameters.parameter",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventTimestamp",
 "path": "Parameters.parameter.part",
 "sliceName": "eventTimestamp",
 "short": "Parameter containing the event timestamp",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "BackboneElement"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventTimestamp.id",
 "path": "Parameters.parameter.part.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "Unique id for inter-element referencing",
 "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "string"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventTimestamp.extension",
 "path": "Parameters.parameter.part.extension",
 "short": "Additional content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "alias": [
 "extensions",
 "user content"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventTimestamp.modifierExtension",
 "path": "Parameters.parameter.part.modifierExtension",
 "short": "Extensions that cannot be ignored even if unrecognized",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
 "alias": [
 "extensions",
 "user content",
 "modifiers"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "BackboneElement.modifierExtension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": true,
 "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
 "isSummary": true,
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventTimestamp.name",
 "path": "Parameters.parameter.part.name",
 "short": "Slice discriminator: the event timestamp",
 "definition": "The name of the parameter (reference to the operation definition).",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.name",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "fixedString": "timestamp",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventTimestamp.value[x]",
 "extension": [
 {
 "url": "http://hl7.org/fhir/build/StructureDefinition/no-binding",
 "valueBoolean": true
 }
 ],
 "path": "Parameters.parameter.part.value[x]",
 "short": "The instant this event occurred",
 "definition": "The actual time this event occured on the server.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "instant"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventTimestamp.resource",
 "path": "Parameters.parameter.part.resource",
 "short": "If parameter is a whole resource",
 "definition": "If the parameter is a whole resource.",
 "comment": "When resolving references in resources, the operation definition may specify how references may be resolved between parameters. If a reference cannot be resolved between the parameters, the application should fall back to it's general resource resolution methods.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.resource",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Resource"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventTimestamp.part",
 "path": "Parameters.parameter.part.part",
 "short": "Named part of a multi-part parameter",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "contentReference": "http://hl7.org/fhir/StructureDefinition/Parameters#Parameters.parameter",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventFocus",
 "path": "Parameters.parameter.part",
 "sliceName": "eventFocus",
 "short": "Parameter containing the event focus",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "BackboneElement"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventFocus.id",
 "path": "Parameters.parameter.part.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "Unique id for inter-element referencing",
 "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "string"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventFocus.extension",
 "path": "Parameters.parameter.part.extension",
 "short": "Additional content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "alias": [
 "extensions",
 "user content"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventFocus.modifierExtension",
 "path": "Parameters.parameter.part.modifierExtension",
 "short": "Extensions that cannot be ignored even if unrecognized",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
 "alias": [
 "extensions",
 "user content",
 "modifiers"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "BackboneElement.modifierExtension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": true,
 "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
 "isSummary": true,
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventFocus.name",
 "path": "Parameters.parameter.part.name",
 "short": "Slice discriminator: the event focus",
 "definition": "The name of the parameter (reference to the operation definition).",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.name",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "fixedString": "focus",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventFocus.value[x]",
 "extension": [
 {
 "url": "http://hl7.org/fhir/build/StructureDefinition/no-binding",
 "valueBoolean": true
 }
 ],
 "path": "Parameters.parameter.part.value[x]",
 "short": "The focus of this event",
 "definition": "The focus of this event. While this will usually be a reference to the focus resource of the event, it MAY contain a reference to a non-FHIR object.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Reference"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventFocus.resource",
 "path": "Parameters.parameter.part.resource",
 "short": "If parameter is a whole resource",
 "definition": "If the parameter is a whole resource.",
 "comment": "When resolving references in resources, the operation definition may specify how references may be resolved between parameters. If a reference cannot be resolved between the parameters, the application should fall back to it's general resource resolution methods.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.resource",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Resource"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventFocus.part",
 "path": "Parameters.parameter.part.part",
 "short": "Named part of a multi-part parameter",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "contentReference": "http://hl7.org/fhir/StructureDefinition/Parameters#Parameters.parameter",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventAdditionalContext",
 "path": "Parameters.parameter.part",
 "sliceName": "eventAdditionalContext",
 "short": "Parameter containing additional context for this event",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "BackboneElement"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventAdditionalContext.id",
 "path": "Parameters.parameter.part.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "Unique id for inter-element referencing",
 "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "string"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventAdditionalContext.extension",
 "path": "Parameters.parameter.part.extension",
 "short": "Additional content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "alias": [
 "extensions",
 "user content"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventAdditionalContext.modifierExtension",
 "path": "Parameters.parameter.part.modifierExtension",
 "short": "Extensions that cannot be ignored even if unrecognized",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
 "alias": [
 "extensions",
 "user content",
 "modifiers"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "BackboneElement.modifierExtension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": true,
 "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
 "isSummary": true,
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventAdditionalContext.name",
 "path": "Parameters.parameter.part.name",
 "short": "Slice discriminator: additional context for this event",
 "definition": "The name of the parameter (reference to the operation definition).",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.name",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "fixedString": "additional-context",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventAdditionalContext.value[x]",
 "extension": [
 {
 "url": "http://hl7.org/fhir/build/StructureDefinition/no-binding",
 "valueBoolean": true
 }
 ],
 "path": "Parameters.parameter.part.value[x]",
 "short": "Additional context for this event",
 "definition": "Additional context information for this event. Generally, this will contain references to additional resources included with the event (e.g., the Patient relevant to an Encounter), however it MAY refer to non-FHIR objects.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Reference"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventAdditionalContext.resource",
 "path": "Parameters.parameter.part.resource",
 "short": "If parameter is a whole resource",
 "definition": "If the parameter is a whole resource.",
 "comment": "When resolving references in resources, the operation definition may specify how references may be resolved between parameters. If a reference cannot be resolved between the parameters, the application should fall back to it's general resource resolution methods.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.resource",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Resource"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:notificationEvent.part:eventAdditionalContext.part",
 "path": "Parameters.parameter.part.part",
 "short": "Named part of a multi-part parameter",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "contentReference": "http://hl7.org/fhir/StructureDefinition/Parameters#Parameters.parameter",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:error",
 "path": "Parameters.parameter",
 "sliceName": "error",
 "short": "Parameter containing errors on the subscription",
 "definition": "A parameter passed to or received from the operation.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "BackboneElement"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children unless an empty Parameters resource",
 "expression": "hasValue() or (children().count() > id.count()) or $this is Parameters",
 "xpath": "@value|f:*|h:div|self::f:Parameters",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "inv-1",
 "severity": "error",
 "human": "A parameter must have one and only one of (value, resource, part)",
 "expression": "(part.exists() and value.empty() and resource.empty()) or (part.empty() and (value.exists() xor resource.exists()))",
 "xpath": "(exists(f:part) and not(exists(f:*[starts-with(local-name(.), 'value')])) and not(exists(f:resource))) or (not(exists(f:part)) and (exists(f:*[starts-with(local-name(.),'value')]) != exists(f:resource)))",
 "source": "http://hl7.org/fhir/StructureDefinition/Parameters"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:error.id",
 "path": "Parameters.parameter.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "Unique id for inter-element referencing",
 "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
 "valueUrl": "string"
 }
 ],
 "code": "http://hl7.org/fhirpath/System.String"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:error.extension",
 "path": "Parameters.parameter.extension",
 "short": "Additional content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "alias": [
 "extensions",
 "user content"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": false,
 "isSummary": false,
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Parameters.parameter:error.modifierExtension",
 "path": "Parameters.parameter.modifierExtension",
 "short": "Extensions that cannot be ignored even if unrecognized",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
 "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
 "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
 "alias": [
 "extensions",
 "user content",
 "modifiers"
 ],
 "min": 0,
 "max": "*",
 "base": {
 "path": "BackboneElement.modifierExtension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 },
 {
 "key": "ext-1",
 "severity": "error",
 "human": "Must have either extensions or value[x], not both",
 "expression": "extension.exists() != value.exists()",
 "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
 "source": "http://hl7.org/fhir/StructureDefinition/Extension"
 }
 ],
 "isModifier": true,
 "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
 "isSummary": true,
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Parameters.parameter:error.name",
 "path": "Parameters.parameter.name",
 "short": "Slice discriminator: errors on the subscription",
 "definition": "The name of the parameter (reference to the operation definition).",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.name",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "fixedString": "error",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:error.value[x]",
 "extension": [
 {
 "url": "http://hl7.org/fhir/build/StructureDefinition/no-binding",
 "valueBoolean": true
 }
 ],
 "path": "Parameters.parameter.value[x]",
 "short": "An error on the subscription",
 "definition": "A record of errors that occurred when the server processed a notification.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "CodeableConcept"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": true,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:error.resource",
 "path": "Parameters.parameter.resource",
 "short": "If parameter is a whole resource",
 "definition": "If the parameter is a whole resource.",
 "comment": "When resolving references in resources, the operation definition may specify how references may be resolved between parameters. If a reference cannot be resolved between the parameters, the application should fall back to it's general resource resolution methods.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Parameters.parameter.resource",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "Resource"
 }
 ],
 "condition": [
 "inv-1"
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 },
 {
 "id": "Parameters.parameter:error.part",
 "path": "Parameters.parameter.part",
 "short": "Named part of a multi-part parameter",
 "definition": "A named part of a multi-part parameter.",
 "comment": "Only one level of nested parameters is allowed.",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Parameters.parameter.part",
 "min": 0,
 "max": "*"
 },
 "contentReference": "http://hl7.org/fhir/StructureDefinition/Parameters#Parameters.parameter",
 "constraint": [
 {
 "key": "ele-1",
 "severity": "error",
 "human": "All FHIR elements must have a @value or children",
 "expression": "hasValue() or (children().count() > id.count())",
 "xpath": "@value|f:*|h:div",
 "source": "http://hl7.org/fhir/StructureDefinition/Element"
 }
 ],
 "mustSupport": false,
 "isModifier": false,
 "isSummary": true
 }
 ]
 },
 "differential": {
 "element": [
 {
 "id": "Parameters.parameter:type",
 "path": "Parameters.parameter",
 "sliceName": "type"
 },
 {
 "id": "Parameters.parameter:type.value[x]",
 "path": "Parameters.parameter.value[x]",
 "patternCode": "heartbeat"
 }
 ]
 }
}

name : SubscriptionStatus_Heartbeat

{

}