<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="EndpointDirectory" />
  <url value="https://gematik.de/fhir/directory/StructureDefinition/EndpointDirectory" />
  <version value="1.2.0" />
  <name value="EndpointDirectory" />
  <title value="Endpoint in gematik Directory" />
  <status value="active" />
  <experimental value="false" />
  <date value="2025-02-26" />
  <publisher value="gematik GmbH" />
  <description value="Endpoints for applications in the gematik Directory" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Endpoint" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Endpoint" />
  <derivation value="constraint" />
  <differential>
    <element id="Endpoint.id">
      <path value="Endpoint.id" />
      <mustSupport value="true" />
    </element>
    <element id="Endpoint.meta.tag">
      <path value="Endpoint.meta.tag" />
      <slicing>
        <discriminator>
          <type value="pattern" />
          <path value="system" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
      <constraint>
        <key value="CodingSytemCodeInv" />
        <severity value="warning" />
        <human value="System and Code SHOULD be present" />
        <expression value="system.exists() and code.exists()" />
        <source value="https://gematik.de/fhir/directory/StructureDefinition/EndpointDirectory" />
      </constraint>
      <mustSupport value="true" />
    </element>
    <element id="Endpoint.meta.tag:Origin">
      <path value="Endpoint.meta.tag" />
      <sliceName value="Origin" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="https://gematik.de/fhir/directory/ValueSet/OriginVS" />
      </binding>
    </element>
    <element id="Endpoint.meta.tag:Origin.system">
      <path value="Endpoint.meta.tag.system" />
      <min value="1" />
      <patternUri value="https://gematik.de/fhir/directory/CodeSystem/Origin" />
    </element>
    <element id="Endpoint.extension">
      <path value="Endpoint.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
    </element>
    <element id="Endpoint.extension:endpointVisibility">
      <path value="Endpoint.extension" />
      <sliceName value="endpointVisibility" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Extension" />
        <profile value="https://gematik.de/fhir/directory/StructureDefinition/EndpointVisibility" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Endpoint.extension:ownerTelematikId">
      <path value="Endpoint.extension" />
      <sliceName value="ownerTelematikId" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Extension" />
        <profile value="https://gematik.de/fhir/directory/StructureDefinition/OwnerTelematikIdEx" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Endpoint.extension:endpointFADId">
      <path value="Endpoint.extension" />
      <sliceName value="endpointFADId" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Extension" />
        <profile value="https://gematik.de/fhir/directory/StructureDefinition/EndpointFADIdEx" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Endpoint.status">
      <path value="Endpoint.status" />
      <mustSupport value="true" />
    </element>
    <element id="Endpoint.connectionType">
      <path value="Endpoint.connectionType" />
      <constraint>
        <key value="CodingSytemCodeInv" />
        <severity value="warning" />
        <human value="System and Code SHOULD be present" />
        <expression value="system.exists() and code.exists()" />
        <source value="https://gematik.de/fhir/directory/StructureDefinition/EndpointDirectory" />
      </constraint>
      <constraint>
        <key value="KimConnectionTypeInv" />
        <severity value="error" />
        <human value="If the kimVersion extension is used on connectionType, then connectionType must be #kim from EndpointDirectoryConnectionType." />
        <expression value="extension('https://gematik.de/fhir/directory/StructureDefinition/ConnectionTypeKimVersionEx').exists() implies (code = 'kim' and system = 'https://gematik.de/fhir/directory/CodeSystem/EndpointDirectoryConnectionType')" />
        <source value="https://gematik.de/fhir/directory/StructureDefinition/EndpointDirectory" />
      </constraint>
      <constraint>
        <key value="KimConnectionTypeRequiresVersionInv" />
        <severity value="error" />
        <human value="If connectionType is #kim from EndpointDirectoryConnectionType, then the kimVersion extension must be present." />
        <expression value="(code = 'kim' and system = 'https://gematik.de/fhir/directory/CodeSystem/EndpointDirectoryConnectionType') implies extension('https://gematik.de/fhir/directory/StructureDefinition/ConnectionTypeKimVersionEx').exists()" />
        <source value="https://gematik.de/fhir/directory/StructureDefinition/EndpointDirectory" />
      </constraint>
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="https://gematik.de/fhir/directory/ValueSet/EndpointConnectionTypeVS" />
      </binding>
    </element>
    <element id="Endpoint.connectionType.extension:kimVersion">
      <path value="Endpoint.connectionType.extension" />
      <sliceName value="kimVersion" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://gematik.de/fhir/directory/StructureDefinition/ConnectionTypeKimVersionEx" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Endpoint.connectionType.system">
      <path value="Endpoint.connectionType.system" />
      <mustSupport value="true" />
    </element>
    <element id="Endpoint.connectionType.code">
      <path value="Endpoint.connectionType.code" />
      <mustSupport value="true" />
    </element>
    <element id="Endpoint.name">
      <path value="Endpoint.name" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Endpoint.payloadType">
      <path value="Endpoint.payloadType" />
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="https://gematik.de/fhir/directory/ValueSet/EndpointPayloadTypeVS" />
      </binding>
    </element>
    <element id="Endpoint.payloadType.coding">
      <path value="Endpoint.payloadType.coding" />
      <constraint>
        <key value="CodingSytemCodeInv" />
        <severity value="warning" />
        <human value="System and Code SHOULD be present" />
        <expression value="system.exists() and code.exists()" />
        <source value="https://gematik.de/fhir/directory/StructureDefinition/EndpointDirectory" />
      </constraint>
    </element>
    <element id="Endpoint.address">
      <path value="Endpoint.address" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>