<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="sgrdv-source-lock-notification-message-header" />
  <url value="http://sante.quebec/fhir/StructureDefinition/sgrdv-source-lock-notification-message-header" />
  <name value="SGRDVSourceLockNotificationMessageHeader" />
  <title value="MessageHeader de notification de verrou — Surface Systèmes source" />
  <status value="active" />
  <experimental value="true" />
  <description value="MessageHeader des notifications d'événements de verrou émises par SGRDV vers un système source via $process-message. SGRDV agit comme autorité du verrou : les ajouts, prolongations et retraits sont propagés aux DMÉ par ce canal ; le DMÉ n'expose pas d'opération $lock transactionnelle. eventCoding identifie l'événement (lock-create, lock-extend, lock-release). source.endpoint identifie SGRDV de manière fixe. destination.endpoint identifie le DMÉ/SIP-C destinataire (URL technique, variable). focus pointe en logical reference vers l'Appointment (1..1) et le ou les Slots (1..*) concernés — les ressources cibles ne sont pas matérialisées dans le Bundle, le DMÉ est l'autorité d'origine de ces ressources. L'extension lock-end-time porte l'heure de fin du verrou. id sert de corrélation FHIR-natif (en complément de l'en-tête HTTP X-Correlation-Id). Le moment de l'événement est porté par Bundle.timestamp (FHIR R4 ne définit pas de MessageHeader.timestamp)." />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="MessageHeader" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/MessageHeader" />
  <derivation value="constraint" />
  <differential>
    <element id="MessageHeader.id">
      <path value="MessageHeader.id" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.extension">
      <path value="MessageHeader.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="MessageHeader.extension:lockEndTime">
      <path value="MessageHeader.extension" />
      <sliceName value="lockEndTime" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://sante.quebec/fhir/StructureDefinition/sgrdv-lock-end-time" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.extension:lockEndTime.value[x]">
      <path value="MessageHeader.extension.value[x]" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.event[x]">
      <path value="MessageHeader.event[x]" />
      <type>
        <code value="Coding" />
      </type>
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="http://sante.quebec/fhir/ValueSet/sgrdv-source-notification-events-vs" />
      </binding>
    </element>
    <element id="MessageHeader.event[x].system">
      <path value="MessageHeader.event[x].system" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.event[x].code">
      <path value="MessageHeader.event[x].code" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.destination">
      <path value="MessageHeader.destination" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.destination.endpoint">
      <path value="MessageHeader.destination.endpoint" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.destination.receiver">
      <path value="MessageHeader.destination.receiver" />
      <max value="0" />
    </element>
    <element id="MessageHeader.source">
      <path value="MessageHeader.source" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.source.name">
      <path value="MessageHeader.source.name" />
      <min value="1" />
      <fixedString value="SGRDV" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.source.endpoint">
      <path value="MessageHeader.source.endpoint" />
      <fixedUrl value="http://sante.quebec/fhir/source/sgrdv" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus">
      <path value="MessageHeader.focus" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="type" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="2" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:appointment">
      <path value="MessageHeader.focus" />
      <sliceName value="appointment" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Appointment" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:appointment.reference">
      <path value="MessageHeader.focus.reference" />
      <max value="0" />
    </element>
    <element id="MessageHeader.focus:appointment.type">
      <path value="MessageHeader.focus.type" />
      <min value="1" />
      <fixedUri value="Appointment" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:appointment.identifier">
      <path value="MessageHeader.focus.identifier" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:appointment.identifier.type">
      <path value="MessageHeader.focus.identifier.type" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:appointment.identifier.type.coding">
      <path value="MessageHeader.focus.identifier.type.coding" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:appointment.identifier.type.coding.system">
      <path value="MessageHeader.focus.identifier.type.coding.system" />
      <fixedUri value="http://sante.quebec/fhir/CodeSystem/sgrdv-identifier-type" />
    </element>
    <element id="MessageHeader.focus:appointment.identifier.type.coding.code">
      <path value="MessageHeader.focus.identifier.type.coding.code" />
      <fixedCode value="IdDispoDME" />
    </element>
    <element id="MessageHeader.focus:appointment.identifier.system">
      <path value="MessageHeader.focus.identifier.system" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:appointment.identifier.value">
      <path value="MessageHeader.focus.identifier.value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:slot">
      <path value="MessageHeader.focus" />
      <sliceName value="slot" />
      <min value="1" />
      <max value="*" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Slot" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:slot.reference">
      <path value="MessageHeader.focus.reference" />
      <max value="0" />
    </element>
    <element id="MessageHeader.focus:slot.type">
      <path value="MessageHeader.focus.type" />
      <min value="1" />
      <fixedUri value="Slot" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:slot.identifier">
      <path value="MessageHeader.focus.identifier" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:slot.identifier.type">
      <path value="MessageHeader.focus.identifier.type" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:slot.identifier.type.coding">
      <path value="MessageHeader.focus.identifier.type.coding" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:slot.identifier.type.coding.system">
      <path value="MessageHeader.focus.identifier.type.coding.system" />
      <fixedUri value="http://sante.quebec/fhir/CodeSystem/sgrdv-identifier-type" />
    </element>
    <element id="MessageHeader.focus:slot.identifier.type.coding.code">
      <path value="MessageHeader.focus.identifier.type.coding.code" />
      <fixedCode value="IdSlotDME" />
    </element>
    <element id="MessageHeader.focus:slot.identifier.system">
      <path value="MessageHeader.focus.identifier.system" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="MessageHeader.focus:slot.identifier.value">
      <path value="MessageHeader.focus.identifier.value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>