<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://medico-emr.net/medico/r4/sd/ext/UserEmployeeReference_1" />
  <name value="UserEmployeeReference_1" />
  <status value="draft" />
  <description value="A mandatory extension for Practitioners, having the profile https://medico-emr.net/medico/r4/sd/Practitioner_User_1 to reference a Practitioner  having the profile https://medico-emr.net/medico/r4/sd/Practitioner-Employee" />
  <fhirVersion value="4.0.0" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Practitioner" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension.id">
      <path value="Extension.id" />
      <max value="0" />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://medico-emr.net/medico/r4/sd/ext/UserEmployeeReference_1" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://medico-emr.net/medico/r4/sd/Practitioner_Employee_1" />
      </type>
    </element>
    <element id="Extension.value[x].id">
      <path value="Extension.value[x].id" />
      <max value="0" />
    </element>
    <element id="Extension.value[x].reference">
      <path value="Extension.value[x].reference" />
      <min value="1" />
    </element>
    <element id="Extension.value[x].type">
      <path value="Extension.value[x].type" />
      <min value="1" />
      <fixedUri value="Practitioner" />
    </element>
    <element id="Extension.value[x].identifier">
      <path value="Extension.value[x].identifier" />
      <max value="0" />
    </element>
    <element id="Extension.value[x].display">
      <path value="Extension.value[x].display" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>