Extension-list-changebase.xml

changeBase

<?xml version="1.0" encoding="UTF-8"?>
<StructureDefinition xmlns="http://hl7.org/fhir"><id value="list-changeBase"/><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="fhir"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"><valueInteger value="1"/></extension><url value="http://hl7.org/fhir/StructureDefinition/list-changeBase"/><version value="4.3.0"/><name value="changeBase"/><status value="draft"/><experimental value="false"/><date value="2021年01月17日T07:06:13+11:00"/><publisher value="HL7"/><description value="Reference to the List that a &quot;change&quot; list is asserting changes with respect
 to."/><fhirVersion value="4.3.0"/><mapping ><identity value="rim"/><uri value="http://hl7.org/v3"/><name value="RIM Mapping"/></mapping><kind value="complex-type"/><abstract value="false"/><context ><type value="element"/><expression value="List"/></context><contextInvariant value="mode = 'changes'"/><type value="Extension"/><baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension"/><derivation value="constraint"/><snapshot ><element id="Extension"><path value="Extension"/><short value="Base List for changes"/><definition value="Reference to the List that a &quot;change&quot; list is asserting changes with respect
 to."/><comment value="Only for mode = changes."/><min value="0"/><max value="1"/><base ><path value="Extension"/><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 unless an empty Parameters resource"/><expression value="hasValue() or (children().count() &gt; id.count()) or $this is Parameters"/><xpath value="@value|f:*|h:div|self::f:Parameters"/><source value="http://hl7.org/fhir/StructureDefinition/Element"/></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')])"/><source value="http://hl7.org/fhir/StructureDefinition/Extension"/></constraint><isModifier value="false"/></element><element id="Extension.id"><path value="Extension.id"/><representation value="xmlAttr"/><short value="Unique id for inter-element referencing"/><definition value="Unique id for the element within a resource (for internal references). This may be any
 string value that does not contain spaces."/><min value="0"/><max value="1"/><base ><path value="Element.id"/><min value="0"/><max value="1"/></base><type ><extensionurl="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"><valueUrlvalue="id"/></extension><code value="http://hl7.org/fhirpath/System.String"/></type><isModifier value="false"/><isSummary value="false"/><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="Extension"/><definition value="An Extension"/><min value="0"/><max value="0"/><base ><path value="Element.extension"/><min value="0"/><max value="*"/></base><type ><code value="Extension"/></type><constraint ><key value="ele-1"/><severity value="error"/><human value="All FHIR elements must have a @value or children"/><expression value="hasValue() or (children().count() &gt; id.count())"/><xpath value="@value|f:*|h:div"/><source value="http://hl7.org/fhir/StructureDefinition/Element"/></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(.), &quot;value&quot;)])"/><source value="http://hl7.org/fhir/StructureDefinition/Extension"/></constraint><isModifier value="false"/><isSummary value="false"/></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 ><extensionurl="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"><valueUrlvalue="uri"/></extension><code value="http://hl7.org/fhirpath/System.String"/></type><fixedUri value="http://hl7.org/fhir/StructureDefinition/list-changeBase"/><isModifier value="false"/><isSummary value="false"/><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 - must be one of a constrained set of the data types (see [Extensibility](extensi
 bility.html) for a list)."/><min value="1"/><max value="1"/><base ><path value="Extension.value[x]"/><min value="0"/><max value="1"/></base><type ><code value="Reference"/><targetProfile value="http://hl7.org/fhir/StructureDefinition/List"/></type><constraint ><key value="ele-1"/><severity value="error"/><human value="All FHIR elements must have a @value or children"/><expression value="hasValue() or (children().count() &gt; id.count())"/><xpath value="@value|f:*|h:div"/><source value="http://hl7.org/fhir/StructureDefinition/Element"/></constraint><isModifier value="false"/><isSummary value="false"/><mapping ><identity value="rim"/><map value="N/A"/></mapping></element></snapshot><differential ><element id="Extension"><path value="Extension"/><short value="Base List for changes"/><definition value="Reference to the List that a &quot;change&quot; list is asserting changes with respect
 to."/><comment value="Only for mode = changes."/><min value="0"/><max value="1"/></element><element id="Extension.extension"><path value="Extension.extension"/><max value="0"/></element><element id="Extension.url"><path value="Extension.url"/><fixedUri value="http://hl7.org/fhir/StructureDefinition/list-changeBase"/></element><element id="Extension.value[x]"><path value="Extension.value[x]"/><min value="1"/><type ><code value="Reference"/><targetProfile value="http://hl7.org/fhir/StructureDefinition/List"/></type></element></differential></StructureDefinition>