<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://example.org/fhir/StructureDefinition/SourcePatientDemographics" />
  <name value="SourcePatientDemographics" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Patient" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="Patient demographics extension" />
    </element>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="Extension.extension:Identifier">
      <path value="Extension.extension" />
      <sliceName value="Identifier" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Extension.extension:Identifier.url">
      <path value="Extension.extension.url" />
      <fixedUri value="Identifier" />
    </element>
    <element id="Extension.extension:Identifier.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="Identifier" />
      </type>
    </element>
    <element id="Extension.extension:address">
      <path value="Extension.extension" />
      <sliceName value="address" />
      <min value="0" />
    </element>
    <element id="Extension.extension:address.url">
      <path value="Extension.extension.url" />
      <fixedUri value="address" />
    </element>
    <element id="Extension.extension:address.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="Address" />
      </type>
    </element>
    <element id="Extension.extension:updateDate">
      <path value="Extension.extension" />
      <sliceName value="updateDate" />
      <min value="0" />
    </element>
    <element id="Extension.extension:updateDate.url">
      <path value="Extension.extension.url" />
      <fixedUri value="updateDate" />
    </element>
    <element id="Extension.extension:Telecoms">
      <path value="Extension.extension" />
      <sliceName value="Telecoms" />
      <min value="0" />
    </element>
    <element id="Extension.extension:Telecoms.url">
      <path value="Extension.extension.url" />
      <fixedUri value="Telecoms" />
    </element>
    <element id="Extension.extension:Telecoms.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="ContactPoint" />
      </type>
    </element>
    <element id="Extension.extension:gender">
      <path value="Extension.extension" />
      <sliceName value="gender" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:gender.url">
      <path value="Extension.extension.url" />
      <fixedUri value="gender" />
    </element>
    <element id="Extension.extension:gender.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="canonical" />
        <aggregation value="contained" />
      </type>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://example.org/fhir/StructureDefinition/SourcePatientDemographics" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>