<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://mirjams.example.org/fhir/StructureDefinition/MirjamsOccupationExtension" />
  <name value="MirjamsOccupationExtension" />
  <status value="draft" />
  <fhirVersion value="5.0.0" />
  <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:code">
      <path value="Extension.extension" />
      <sliceName value="code" />
      <max value="1" />
    </element>
    <element id="Extension.extension:code.url">
      <path value="Extension.extension.url" />
      <fixedUri value="code" />
    </element>
    <element id="Extension.extension:code.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSet value="http://mirjams.examples.org/ValueSet/mirjams-course-valueset" />
      </binding>
    </element>
    <element id="Extension.extension:period">
      <path value="Extension.extension" />
      <sliceName value="period" />
      <max value="1" />
    </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="https://mirjams.example.org/fhir/StructureDefinition/MirjamsOccupationExtension" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>