{ "resourceType": "StructureDefinition", "id": "Element", "text": { "status": "generated", "div": "
\r\n\r\n\r\n
NameFlagsCard.TypeDescription & Constraints\"doco\"
\".\"\".\" ElementINn/aBase for all elements
+ Rule: All FHIR elements must have a @value or children
\".\"\".\"\".\" id0..1stringUnique id for inter-element referencing
\".\"\".\"\".\" extension0..*ExtensionAdditional content defined by implementations

\"doco\" Documentation for this format
" }, "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status", "valueCode": "normative" }, { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version", "valueCode": "4.0.0" } ], "url": "http://hl7.org/fhir/StructureDefinition/Element", "version": "4.0.1", "name": "Element", "status": "active", "date": "2019-10-31T22:29:23+00:00", "publisher": "HL7 FHIR Standard", "contact": [ { "telecom": [ { "system": "url", "value": "http://hl7.org/fhir" } ] } ], "description": "Base StructureDefinition for Element Type: Base definition for all elements in a resource.", "fhirVersion": "4.0.1", "mapping": [ { "identity": "rim", "uri": "http://hl7.org/v3", "name": "RIM Mapping" } ], "kind": "complex-type", "abstract": true, "type": "Element", "snapshot": { "element": [ { "id": "Element", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status", "valueCode": "normative" }, { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version", "valueCode": "4.0.0" } ], "path": "Element", "short": "Base for all elements", "definition": "Base definition for all elements in a resource.", "min": 0, "max": "*", "base": { "path": "Element", "min": 0, "max": "*" }, "condition": [ "ele-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" } ], "isModifier": false, "mapping": [ { "identity": "rim", "map": "n/a" } ] }, { "id": "Element.id", "path": "Element.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": "Element.extension", "path": "Element.extension", "slicing": { "discriminator": [ { "type": "value", "path": "url" } ], "description": "Extensions are always sliced by (at least) url", "rules": "open" }, "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" } ] } ] }, "differential": { "element": [ { "id": "Element", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status", "valueCode": "normative" }, { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version", "valueCode": "4.0.0" } ], "path": "Element", "short": "Base for all elements", "definition": "Base definition for all elements in a resource.", "min": 0, "max": "*", "condition": [ "ele-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" } ], "mapping": [ { "identity": "rim", "map": "n/a" } ] }, { "id": "Element.id", "path": "Element.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", "type": [ { "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUrl": "string" } ], "code": "http://hl7.org/fhirpath/System.String" } ], "mapping": [ { "identity": "rim", "map": "n/a" } ] }, { "id": "Element.extension", "path": "Element.extension", "slicing": { "discriminator": [ { "type": "value", "path": "url" } ], "description": "Extensions are always sliced by (at least) url", "rules": "open" }, "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": "*", "type": [ { "code": "Extension" } ], "mapping": [ { "identity": "rim", "map": "n/a" } ] } ] } }