<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://example.org/fhir/StructureDefinition/Occupation" />
  <name value="Occupation" />
  <status value="draft" />
  <description value="Extension to capture occupational data for the Patient of the Profiling training course." />
  <fhirVersion value="4.0.1" />
  <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="Patient" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="0" />
    </element>
    <element id="Extension.extension:occCode">
      <path value="Extension.extension" />
      <sliceName value="occCode" />
      <min value="0" />
    </element>
    <element id="Extension.extension:occCode.url">
      <path value="Extension.extension.url" />
      <fixedUri value="occCode" />
    </element>
    <element id="Extension.extension:occCode.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSet value="http://www.alpha-hospital.alp/occupations" />
      </binding>
    </element>
    <element id="Extension.extension:period">
      <path value="Extension.extension" />
      <sliceName value="period" />
      <min value="0" />
      <binding>
        <strength value="preferred" />
        <valueSet value="http://www.alpha-hospital.alp/occupationsathospital" />
      </binding>
    </element>
    <element id="Extension.extension:period.url">
      <path value="Extension.extension.url" />
      <fixedUri value="period" />
    </element>
    <element id="Extension.extension:period.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="Period" />
      </type>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="http://example.org/fhir/StructureDefinition/Occupation" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>