FHIR Extensions Pack
5.1.0-cibuild - Working Copy
FHIR Extensions Pack
5.1.0-cibuild - Working Copy
FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This is not an authorized publication; it is the continuous build for version 5.1.0-cibuild). This version is based on the current content of https://github.com/HL7/fhir-extensions/ and changes regularly. See the Directory of published versions
| Page standards status: Trial-use | Maturity Level: 2 |
XML representation of the cqf-targetInvariant extension.
<StructureDefinition xmlns="http://hl7.org/fhir">
<id value="cqf-targetInvariant"/>
<text>
<status value="extensions"/>
<div xmlns="http://www.w3.org/1999/xhtml">Placeholder</div>
</text>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
<valueCode value="cds"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
<valueInteger value="2"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
<valueCode value="trial-use"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics">
<valueCode value="can-bind"/>
</extension>
<url value="http://hl7.org/fhir/StructureDefinition/cqf-targetInvariant"/>
<version value="5.1.0-cibuild"/>
<name value="TargetInvariant"/>
<title value="Target invariant"/>
<status value="draft"/>
<experimental value="false"/>
<date value="2015-05-30"/>
<publisher value="HL7 International / Clinical Decision Support"/>
<contact>
<telecom>
<system value="url"/>
<value value="http://www.hl7.org/Special/committees/dss"/>
</telecom>
</contact>
<description
value="Specifies an invariant that is enforced in the context of an instantiated resource."/>
<jurisdiction>
<coding>
<system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
<code value="001"/>
</coding>
</jurisdiction>
<fhirVersion value="5.0.0"/>
<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="Element"/>
</context>
<type value="Extension"/>
<baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension"/>
<derivation value="constraint"/>
<snapshot>
<element id="Extension">
<path value="Extension"/>
<short value="A constraint on the target resource"/>
<definition
value="Specifies an invariant that is enforced in the context of an instantiated resource."/>
<comment
value="Can be used on any definitional artifact to define an invariant that is enforced in the context of an instantiated resource. The invariant expression will have access to `%target` and `%definition` variables, where target is the instantiated resource, and definition is the definition used to instantiate."/>
<min value="0"/>
<max value="*"/>
<base>
<path value="Extension"/>
<min value="0"/>
<max value="*"/>
</base>
<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() > id.count())"/>
<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()"/>
<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>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
<valueUrl value="id"/>
</extension>
<code value="http://hl7.org/fhirpath/System.String"/>
</type>
<condition value="ele-1"/>
<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="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. To make the use of extensions safe and managable, 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
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="3"/>
<max value="*"/>
<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() > id.count())"/>
<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()"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="n/a"/>
</mapping>
</element>
<element id="Extension.extension:key">
<path value="Extension.extension"/>
<sliceName value="key"/>
<short value="Unique identifier"/>
<definition
value="A unique identifier for the invariant (unique in the context of the resource)."/>
<comment
value="Any error or outcome messages or warnings should include this id to allow the source of the message to be determined."/>
<min value="1"/>
<max value="1"/>
<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() > id.count())"/>
<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()"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
<element id="Extension.extension:key.id">
<path value="Extension.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>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
<valueUrl value="id"/>
</extension>
<code value="http://hl7.org/fhirpath/System.String"/>
</type>
<condition value="ele-1"/>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="n/a"/>
</mapping>
</element>
<element id="Extension.extension:key.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="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() > id.count())"/>
<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()"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
<element id="Extension.extension:key.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="key"/>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="N/A"/>
</mapping>
</element>
<element id="Extension.extension:key.value[x]">
<path value="Extension.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](http://hl7.org/fhir/R5/extensibility.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="id"/>
</type>
<condition value="ext-1"/>
<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() > id.count())"/>
<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>
<element id="Extension.extension:requirements">
<path value="Extension.extension"/>
<sliceName value="requirements"/>
<short value="Why the invariant is defined"/>
<definition
value="A brief description of why the invariant is necessary or appropriate."/>
<min value="0"/>
<max value="1"/>
<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() > id.count())"/>
<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()"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
<element id="Extension.extension:requirements.id">
<path value="Extension.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>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
<valueUrl value="id"/>
</extension>
<code value="http://hl7.org/fhirpath/System.String"/>
</type>
<condition value="ele-1"/>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="n/a"/>
</mapping>
</element>
<element id="Extension.extension:requirements.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="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() > id.count())"/>
<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()"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
<element id="Extension.extension:requirements.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="requirements"/>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="N/A"/>
</mapping>
</element>
<element id="Extension.extension:requirements.value[x]">
<path value="Extension.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](http://hl7.org/fhir/R5/extensibility.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="string"/>
</type>
<condition value="ext-1"/>
<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() > id.count())"/>
<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>
<element id="Extension.extension:severity">
<path value="Extension.extension"/>
<sliceName value="severity"/>
<short value="error | warning"/>
<definition
value="Whether the invariant indicates an error condition or a warning."/>
<min value="1"/>
<max value="1"/>
<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() > id.count())"/>
<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()"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
<element id="Extension.extension:severity.id">
<path value="Extension.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>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
<valueUrl value="id"/>
</extension>
<code value="http://hl7.org/fhirpath/System.String"/>
</type>
<condition value="ele-1"/>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="n/a"/>
</mapping>
</element>
<element id="Extension.extension:severity.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="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() > id.count())"/>
<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()"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
<element id="Extension.extension:severity.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="severity"/>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="N/A"/>
</mapping>
</element>
<element id="Extension.extension:severity.value[x]">
<path value="Extension.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](http://hl7.org/fhir/R5/extensibility.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="code"/>
</type>
<condition value="ext-1"/>
<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() > id.count())"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
<binding>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">
<valueMarkdown
value="SHALL applications comply with this constraint?"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
<valueString value="ConstraintSeverity"/>
</extension>
<strength value="required"/>
<valueSet value="http://hl7.org/fhir/ValueSet/constraint-severity"/>
</binding>
<mapping>
<identity value="rim"/>
<map value="N/A"/>
</mapping>
</element>
<element id="Extension.extension:expression">
<path value="Extension.extension"/>
<sliceName value="expression"/>
<short value="The invariant expression"/>
<definition
value="An expression providing a formal representation of the invariant condition."/>
<comment
value="The expression will have access to `%target` (the resource that was instantiated) and `%definition` (the definition for the instantiated resource)."/>
<min value="1"/>
<max value="1"/>
<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() > id.count())"/>
<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()"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
<element id="Extension.extension:expression.id">
<path value="Extension.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>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
<valueUrl value="id"/>
</extension>
<code value="http://hl7.org/fhirpath/System.String"/>
</type>
<condition value="ele-1"/>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="n/a"/>
</mapping>
</element>
<element id="Extension.extension:expression.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="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() > id.count())"/>
<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()"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
<element id="Extension.extension:expression.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="expression"/>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="N/A"/>
</mapping>
</element>
<element id="Extension.extension:expression.value[x]">
<path value="Extension.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](http://hl7.org/fhir/R5/extensibility.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="Expression"/>
</type>
<condition value="ext-1"/>
<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() > id.count())"/>
<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>
<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>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
<valueUrl value="uri"/>
</extension>
<code value="http://hl7.org/fhirpath/System.String"/>
</type>
<fixedUri
value="http://hl7.org/fhir/StructureDefinition/cqf-targetInvariant"/>
<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](http://hl7.org/fhir/R5/extensibility.html) for a list)."/>
<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="canonical"/>
</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="integer64"/>
</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="url"/>
</type>
<type>
<code value="uuid"/>
</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="CodeableReference"/>
</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="RatioRange"/>
</type>
<type>
<code value="Reference"/>
</type>
<type>
<code value="SampledData"/>
</type>
<type>
<code value="Signature"/>
</type>
<type>
<code value="Timing"/>
</type>
<type>
<code value="ContactDetail"/>
</type>
<type>
<code value="DataRequirement"/>
</type>
<type>
<code value="Expression"/>
</type>
<type>
<code value="ParameterDefinition"/>
</type>
<type>
<code value="RelatedArtifact"/>
</type>
<type>
<code value="TriggerDefinition"/>
</type>
<type>
<code value="UsageContext"/>
</type>
<type>
<code value="Availability"/>
</type>
<type>
<code value="ExtendedContactDetail"/>
</type>
<type>
<code value="Dosage"/>
</type>
<type>
<code value="Meta"/>
</type>
<condition value="ext-1"/>
<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() > id.count())"/>
<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="A constraint on the target resource"/>
<definition
value="Specifies an invariant that is enforced in the context of an instantiated resource."/>
<comment
value="Can be used on any definitional artifact to define an invariant that is enforced in the context of an instantiated resource. The invariant expression will have access to `%target` and `%definition` variables, where target is the instantiated resource, and definition is the definition used to instantiate."/>
<min value="0"/>
<max value="*"/>
</element>
<element id="Extension.extension:key">
<path value="Extension.extension"/>
<sliceName value="key"/>
<short value="Unique identifier"/>
<definition
value="A unique identifier for the invariant (unique in the context of the resource)."/>
<comment
value="Any error or outcome messages or warnings should include this id to allow the source of the message to be determined."/>
<min value="1"/>
<max value="1"/>
<type>
<code value="Extension"/>
</type>
</element>
<element id="Extension.extension:key.extension">
<path value="Extension.extension.extension"/>
<max value="0"/>
</element>
<element id="Extension.extension:key.url">
<path value="Extension.extension.url"/>
<type>
<code value="uri"/>
</type>
<fixedUri value="key"/>
</element>
<element id="Extension.extension:key.value[x]">
<path value="Extension.extension.value[x]"/>
<min value="1"/>
<type>
<code value="id"/>
</type>
</element>
<element id="Extension.extension:requirements">
<path value="Extension.extension"/>
<sliceName value="requirements"/>
<short value="Why the invariant is defined"/>
<definition
value="A brief description of why the invariant is necessary or appropriate."/>
<min value="0"/>
<max value="1"/>
<type>
<code value="Extension"/>
</type>
</element>
<element id="Extension.extension:requirements.extension">
<path value="Extension.extension.extension"/>
<max value="0"/>
</element>
<element id="Extension.extension:requirements.url">
<path value="Extension.extension.url"/>
<type>
<code value="uri"/>
</type>
<fixedUri value="requirements"/>
</element>
<element id="Extension.extension:requirements.value[x]">
<path value="Extension.extension.value[x]"/>
<min value="1"/>
<type>
<code value="string"/>
</type>
</element>
<element id="Extension.extension:severity">
<path value="Extension.extension"/>
<sliceName value="severity"/>
<short value="error | warning"/>
<definition
value="Whether the invariant indicates an error condition or a warning."/>
<min value="1"/>
<max value="1"/>
<type>
<code value="Extension"/>
</type>
</element>
<element id="Extension.extension:severity.extension">
<path value="Extension.extension.extension"/>
<max value="0"/>
</element>
<element id="Extension.extension:severity.url">
<path value="Extension.extension.url"/>
<type>
<code value="uri"/>
</type>
<fixedUri value="severity"/>
</element>
<element id="Extension.extension:severity.value[x]">
<path value="Extension.extension.value[x]"/>
<min value="1"/>
<type>
<code value="code"/>
</type>
<binding>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">
<valueMarkdown
value="SHALL applications comply with this constraint?"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
<valueString value="ConstraintSeverity"/>
</extension>
<strength value="required"/>
<valueSet value="http://hl7.org/fhir/ValueSet/constraint-severity"/>
</binding>
</element>
<element id="Extension.extension:expression">
<path value="Extension.extension"/>
<sliceName value="expression"/>
<short value="The invariant expression"/>
<definition
value="An expression providing a formal representation of the invariant condition."/>
<comment
value="The expression will have access to `%target` (the resource that was instantiated) and `%definition` (the definition for the instantiated resource)."/>
<min value="1"/>
<max value="1"/>
<type>
<code value="Extension"/>
</type>
</element>
<element id="Extension.extension:expression.extension">
<path value="Extension.extension.extension"/>
<max value="0"/>
</element>
<element id="Extension.extension:expression.url">
<path value="Extension.extension.url"/>
<type>
<code value="uri"/>
</type>
<fixedUri value="expression"/>
</element>
<element id="Extension.extension:expression.value[x]">
<path value="Extension.extension.value[x]"/>
<min value="1"/>
<type>
<code value="Expression"/>
</type>
</element>
<element id="Extension.url">
<path value="Extension.url"/>
<fixedUri
value="http://hl7.org/fhir/StructureDefinition/cqf-targetInvariant"/>
</element>
<element id="Extension.value[x]">
<path value="Extension.value[x]"/>
<min value="0"/>
<max value="0"/>
</element>
</differential>
</StructureDefinition>
IG © 2022+ HL7 International / FHIR Infrastructure. Package hl7.fhir.uv.extensions#5.1.0-cibuild based on FHIR 5.0.0. Generated 2023-09-27
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