<status value="draft" /> <date value="2014-04-12" /> <publisher value="Health Level Seven, Inc. - [WG Name] WG" /> <contact> <telecom> <system value="url" /> <value value="http://hl7.org/special/committees/fhir.htm" /> </telecom> </contact> <description value="A container for a single allowable parameter combination." /> <fhirVersion value="3.0.1" /> <mapping> <identity value="v2" /> <uri value="http://hl7.org/v2" /> <name value="HL7 v2 Mapping" /> </mapping> <mapping> <identity value="rim" /> <uri value="http://hl7.org/v3" /> <name value="RIM Mapping" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <contextType value="resource" /> <context value="CapabilityStatement.rest.resource" /> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <snapshot> <element id="Extension"> <path value="Extension" /> <short value="An allowable parameter combination" /> <definition value="A container for a single allowable parameter combination." /> <comment value="If a search combination is specified, clients should expect that they must submit that required combination or the search will be unsuccessful. If multiple search parameter combinations are specified, a client may pick between them, and supply the minimal required parameters for any of the combinations." /> <min value="0" /> <max value="*" /> <base> <path value="Element" /> <min value="0" /> <max value="*" /> </base> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" /> </constraint> <isModifier value="false" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> <mapping> <identity value="v2" /> <map value="N/A" /> </mapping> </element> <element id="Extension.id"> <path value="Extension.id" /> <representation value="xmlAttr" /> <short value="xml:id (or equivalent in JSON)" /> <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." /> <comment value="Note that FHIR strings may not exceed 1MB in size" /> <min value="0" /> <max value="1" /> <base> <path value="Element.id" /> <min value="0" /> <max value="1" /> </base> <type> <code value="string" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> </element> <element id="Extension.extension"> <path value="Extension.extension" /> <slicing> <discriminator> <type value="value" /> <path value="url" /> </discriminator> <description value="Extensions are always sliced by (at least) url" /> <rules value="open" /> </slicing> <short value="Additional Content defined by implementations" /> <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." /> <comment value="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 value="extensions" /> <alias value="user content" /> <min value="0" /> <max value="*" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:required"> <path value="Extension.extension" /> <sliceName value="required" /> <short value="A required search parameter name" /> <definition value="A search parameter name in the combination which is required." /> <comment value="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 value="extensions" /> <alias value="user content" /> <min value="1" /> <max value="*" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" /> </constraint> <isModifier value="false" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> <mapping> <identity value="v2" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:required.id"> <path value="Extension.extension.id" /> <representation value="xmlAttr" /> <short value="xml:id (or equivalent in JSON)" /> <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." /> <comment value="Note that FHIR strings may not exceed 1MB in size" /> <min value="0" /> <max value="1" /> <base> <path value="Element.id" /> <min value="0" /> <max value="1" /> </base> <type> <code value="string" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> </element> <element id="Extension.extension:required.extension"> <path value="Extension.extension.extension" /> <slicing> <discriminator> <type value="value" /> <path value="url" /> </discriminator> <description value="Extensions are always sliced by (at least) url" /> <rules value="open" /> </slicing> <short value="Additional Content defined by implementations" /> <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." /> <comment value="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 value="extensions" /> <alias value="user content" /> <min value="0" /> <max value="*" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:required.url"> <path value="Extension.extension.url" /> <representation value="xmlAttr" /> <short value="identifies the meaning of the extension" /> <definition value="Source of the definition for the extension code - a logical name or a URL." /> <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." /> <min value="1" /> <max value="1" /> <base> <path value="Extension.url" /> <min value="1" /> <max value="1" /> </base> <type> <code value="uri" /> </type> <fixedUri value="required" /> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:required.valueString"> <path value="Extension.extension.valueString" /> <short value="Value of extension" /> <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)." /> <comment value="A stream of bytes, base64 encoded" /> <min value="0" /> <max value="1" /> <base> <path value="Extension.value[x]" /> <min value="0" /> <max value="1" /> </base> <type> <code value="string" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:optional"> <path value="Extension.extension" /> <sliceName value="optional" /> <short value="An optional search parameter name" /> <definition value="A search parameter name in the combination which is optional." /> <comment value="If a defined parameter is not listed as a required or optional parameter, the implication is that the parameter is not supported with this combination. Servers may ignore It, though some may return an error if it is used." /> <alias value="extensions" /> <alias value="user content" /> <min value="0" /> <max value="*" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" /> </constraint> <isModifier value="false" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> <mapping> <identity value="v2" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:optional.id"> <path value="Extension.extension.id" /> <representation value="xmlAttr" /> <short value="xml:id (or equivalent in JSON)" /> <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." /> <comment value="Note that FHIR strings may not exceed 1MB in size" /> <min value="0" /> <max value="1" /> <base> <path value="Element.id" /> <min value="0" /> <max value="1" /> </base> <type> <code value="string" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> </element> <element id="Extension.extension:optional.extension"> <path value="Extension.extension.extension" /> <slicing> <discriminator> <type value="value" /> <path value="url" /> </discriminator> <description value="Extensions are always sliced by (at least) url" /> <rules value="open" /> </slicing> <short value="Additional Content defined by implementations" /> <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." /> <comment value="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 value="extensions" /> <alias value="user content" /> <min value="0" /> <max value="*" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:optional.url"> <path value="Extension.extension.url" /> <representation value="xmlAttr" /> <short value="identifies the meaning of the extension" /> <definition value="Source of the definition for the extension code - a logical name or a URL." /> <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." /> <min value="1" /> <max value="1" /> <base> <path value="Extension.url" /> <min value="1" /> <max value="1" /> </base> <type> <code value="uri" /> </type> <fixedUri value="optional" /> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:optional.valueString"> <path value="Extension.extension.valueString" /> <short value="Value of extension" /> <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)." /> <comment value="A stream of bytes, base64 encoded" /> <min value="0" /> <max value="1" /> <base> <path value="Extension.value[x]" /> <min value="0" /> <max value="1" /> </base> <type> <code value="string" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.url"> <path value="Extension.url" /> <representation value="xmlAttr" /> <short value="identifies the meaning of the extension" /> <definition value="Source of the definition for the extension code - a logical name or a URL." /> <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." /> <min value="1" /> <max value="1" /> <base> <path value="Extension.url" /> <min value="1" /> <max value="1" /> </base> <type> <code value="uri" /> </type> <fixedUri value="http://hl7.org/fhir/StructureDefinition/capabilitystatement-search-parameter-combination" /> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <short value="Value of extension" /> <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)." /> <comment value="A stream of bytes, base64 encoded" /> <min value="0" /> <max value="0" /> <base> <path value="Extension.value[x]" /> <min value="0" /> <max value="1" /> </base> <type> <code value="base64Binary" /> </type> <type> <code value="boolean" /> </type> <type> <code value="code" /> </type> <type> <code value="date" /> </type> <type> <code value="dateTime" /> </type> <type> <code value="decimal" /> </type> <type> <code value="id" /> </type> <type> <code value="instant" /> </type> <type> <code value="integer" /> </type> <type> <code value="markdown" /> </type> <type> <code value="oid" /> </type> <type> <code value="positiveInt" /> </type> <type> <code value="string" /> </type> <type> <code value="time" /> </type> <type> <code value="unsignedInt" /> </type> <type> <code value="uri" /> </type> <type> <code value="Address" /> </type> <type> <code value="Age" /> </type> <type> <code value="Annotation" /> </type> <type> <code value="Attachment" /> </type> <type> <code value="CodeableConcept" /> </type> <type> <code value="Coding" /> </type> <type> <code value="ContactPoint" /> </type> <type> <code value="Count" /> </type> <type> <code value="Distance" /> </type> <type> <code value="Duration" /> </type> <type> <code value="HumanName" /> </type> <type> <code value="Identifier" /> </type> <type> <code value="Money" /> </type> <type> <code value="Period" /> </type> <type> <code value="Quantity" /> </type> <type> <code value="Range" /> </type> <type> <code value="Ratio" /> </type> <type> <code value="Reference" /> </type> <type> <code value="SampledData" /> </type> <type> <code value="Signature" /> </type> <type> <code value="Timing" /> </type> <type> <code value="Meta" /> </type> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() | (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> </constraint> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> </snapshot> <differential> <element id="Extension"> <path value="Extension" /> <short value="An allowable parameter combination" /> <definition value="A container for a single allowable parameter combination." /> <comment value="If a search combination is specified, clients should expect that they must submit that required combination or the search will be unsuccessful. If multiple search parameter combinations are specified, a client may pick between them, and supply the minimal required parameters for any of the combinations." /> <isModifier value="false" /> <mapping> <identity value="v2" /> <map value="N/A" /> </mapping> </element> <element> <path value="Extension.extension" /> <slicing> <discriminator> <type value="value" /> <path value="url" /> </discriminator> <rules value="open" /> </slicing> </element> <element id="Extension.extension:required"> <path value="Extension.extension" /> <sliceName value="required" /> <short value="A required search parameter name" /> <definition value="A search parameter name in the combination which is required." /> <min value="1" /> <isModifier value="false" /> <mapping> <identity value="v2" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:required.url"> <path value="Extension.extension.url" /> <fixedUri value="required" /> </element> <element id="Extension.extension:required.valueString"> <path value="Extension.extension.valueString" /> <type> <code value="string" /> </type> </element> <element id="Extension.extension:optional"> <path value="Extension.extension" /> <sliceName value="optional" /> <short value="An optional search parameter name" /> <definition value="A search parameter name in the combination which is optional." /> <comment value="If a defined parameter is not listed as a required or optional parameter, the implication is that the parameter is not supported with this combination. Servers may ignore It, though some may return an error if it is used." /> <isModifier value="false" /> <mapping> <identity value="v2" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:optional.url"> <path value="Extension.extension.url" /> <fixedUri value="optional" /> </element> <element id="Extension.extension:optional.valueString"> <path value="Extension.extension.valueString" /> <type> <code value="string" /> </type> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://hl7.org/fhir/StructureDefinition/capabilitystatement-search-parameter-combination" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <max value="0" /> </element> </differential> </StructureDefinition>