Extension-questionnaire-allowedresource.xml

Allowed resource for reference

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="questionnaire-allowedResource"/>
  <url value="http://hl7.org/fhir/StructureDefinition/questionnaire-allowedResource"/>
  <name value="Allowed resource for reference"/>
  <status value="draft"/>
  <publisher value="HL7"/>
  <contact>
    <telecom>
      <system value="other"/>
      <value value="http://www.hl7.org"/>
    </telecom>
  </contact>
  <date value="2013-07-04"/>
  <description value="Where the type for a question is &quot;Reference&quot;, indicates a type of resource that
   is permitted."/>
  <fhirVersion value="1.2.0"/>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM"/>
  </mapping>
  <kind value="datatype"/>
  <constrainedType value="Extension"/>
  <abstract value="false"/>
  <contextType value="resource"/>
  <context value="Questionnaire.item"/>
  <context value="Questionnaire.item.item"/>
  <base value="http://hl7.org/fhir/StructureDefinition/Extension"/>
  <snapshot>
    <element>
      <path value="Extension"/>
      <short value="Allowed resource for reference"/>
      <definition value="Where the type for a question is &quot;Reference&quot;, indicates a type of resource that
       is permitted."/>
      <comments value="This extension only has meaning if the question.type = Reference.  If no allowedResource
       extensions are present, the presumption is that any type of resource is permitted.  If
       multiple are present, then any of the specified types are permitted."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="$parent.type='reference'"/>
        </extension>
        <key value="inv-10"/>
        <severity value="error"/>
        <human value="Allowed resource can only be specified for items of type 'reference'"/>
        <xpath value="parent::*/f:type/@value='reference'"/>
      </constraint>
      <mapping>
        <identity value="rim"/>
        <map value="N/A - MIF rather than RIM level"/>
      </mapping>
    </element>
    <element>
      <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)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Extension.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="Extension.extension"/>
      <name value="extension"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="Extension.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
    </element>
    <element>
      <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."/>
      <comments 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 should be version specific.  This will ideally be the URI for the Resource
       Profile defining the extension, with the code for the extension after a #."/>
      <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/questionnaire-allowedResource"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="Extension.valueCode"/>
      <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)."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Extension.value[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <binding>
        <strength value="required"/>
        <description value="One of the resource types defined as part of FHIR."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/resource-types"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element>
      <path value="Extension"/>
      <short value="Allowed resource for reference"/>
      <definition value="Where the type for a question is &quot;Reference&quot;, indicates a type of resource that
       is permitted."/>
      <comments value="This extension only has meaning if the question.type = Reference.  If no allowedResource
       extensions are present, the presumption is that any type of resource is permitted.  If
       multiple are present, then any of the specified types are permitted."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="$parent.type='reference'"/>
        </extension>
        <key value="inv-10"/>
        <severity value="error"/>
        <human value="Allowed resource can only be specified for items of type 'reference'"/>
        <xpath value="parent::*/f:type/@value='reference'"/>
      </constraint>
      <mapping>
        <identity value="rim"/>
        <map value="N/A - MIF rather than RIM level"/>
      </mapping>
    </element>
    <element>
      <path value="Extension.extension"/>
      <name value="extension"/>
      <max value="0"/>
    </element>
    <element>
      <path value="Extension.url"/>
      <type>
        <code value="uri"/>
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/questionnaire-allowedResource"/>
    </element>
    <element>
      <path value="Extension.value[x]"/>
      <min value="1"/>
      <type>
        <code value="code"/>
      </type>
      <binding>
        <strength value="required"/>
        <description value="One of the resource types defined as part of FHIR."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/resource-types"/>
        </valueSetReference>
      </binding>
    </element>
  </differential>
</StructureDefinition>