<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://example.org/fhir/StructureDefinition/DocumentReference" />
  <name value="DocumentReference" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="workflow" />
    <uri value="http://hl7.org/fhir/workflow" />
    <name value="Workflow Pattern" />
  </mapping>
  <mapping>
    <identity value="fhircomposition" />
    <uri value="http://hl7.org/fhir/composition" />
    <name value="FHIR Composition" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <mapping>
    <identity value="cda" />
    <uri value="http://hl7.org/v3/cda" />
    <name value="CDA (R2)" />
  </mapping>
  <mapping>
    <identity value="w5" />
    <uri value="http://hl7.org/fhir/fivews" />
    <name value="FiveWs Pattern Mapping" />
  </mapping>
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <mapping>
    <identity value="xds" />
    <uri value="http://ihe.net/xds" />
    <name value="XDS metadata equivalent" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="DocumentReference" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DocumentReference" />
  <derivation value="constraint" />
  <differential>
    <element id="DocumentReference.masterIdentifier">
      <path value="DocumentReference.masterIdentifier" />
      <max value="0" />
    </element>
    <element id="DocumentReference.identifier">
      <path value="DocumentReference.identifier" />
      <max value="0" />
    </element>
    <element id="DocumentReference.docStatus">
      <path value="DocumentReference.docStatus" />
      <max value="0" />
    </element>
    <element id="DocumentReference.type">
      <path value="DocumentReference.type" />
      <max value="0" />
    </element>
    <element id="DocumentReference.category">
      <path value="DocumentReference.category" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="DocumentReference.subject">
      <path value="DocumentReference.subject" />
      <max value="0" />
    </element>
    <element id="DocumentReference.date">
      <path value="DocumentReference.date" />
      <max value="0" />
    </element>
    <element id="DocumentReference.author">
      <path value="DocumentReference.author" />
      <max value="0" />
    </element>
    <element id="DocumentReference.authenticator">
      <path value="DocumentReference.authenticator" />
      <max value="0" />
    </element>
    <element id="DocumentReference.custodian">
      <path value="DocumentReference.custodian" />
      <max value="0" />
    </element>
    <element id="DocumentReference.relatesTo">
      <path value="DocumentReference.relatesTo" />
      <max value="0" />
    </element>
    <element id="DocumentReference.description">
      <path value="DocumentReference.description" />
      <max value="0" />
    </element>
    <element id="DocumentReference.securityLabel">
      <path value="DocumentReference.securityLabel" />
      <max value="0" />
    </element>
    <element id="DocumentReference.context">
      <path value="DocumentReference.context" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>