<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="MessageHeader" />
  <meta>
    <lastUpdated value="2018-08-17T12:12:30.86+01:00" />
  </meta>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="inm" />
  </extension>
  <url value="https://fhir.nhs.uk/STU3/StructureDefinition/ITK-MessageHeader-2" />
  <version value="2.1.0" />
  <name value="ITK-MessageHeader-2" />
  <status value="active" />
  <date value="2024-01-22T11:39:06.3872207+00:00" />
  <publisher value="NHS Digital" />
  <contact>
    <name value="Interoperability Team" />
    <telecom>
      <system value="email" />
      <value value="interoperabilityteam@nhs.net" />
      <use value="work" />
    </telecom>
  </contact>
  <description value="This is a constrained MessageHeader resource represents the header for a message exchange that is either requesting or responding to an action." />
  <purpose value="This is the header for a message exchange that is either requesting or responding to an action." />
  <copyright value="Copyright © 2018 NHS Digital" />
  <fhirVersion value="3.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="MessageHeader" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/MessageHeader" />
  <derivation value="constraint" />
  <differential>
    <element id="MessageHeader.extension">
      <path value="MessageHeader.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="MessageHeader.extension:ITKMessageHandling">
      <path value="MessageHeader.extension" />
      <sliceName value="ITKMessageHandling" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.nhs.uk/STU3/StructureDefinition/Extension-ITK-MessageHandling-2" />
      </type>
    </element>
    <element id="MessageHeader.event">
      <path value="MessageHeader.event" />
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="MessageEvent" />
        </extension>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true" />
        </extension>
        <strength value="extensible" />
        <description value="A set of codes to classify the type of event." />
        <valueSetReference>
          <reference value="https://fhir.nhs.uk/STU3/ValueSet/ITK-MessageEvent-2" />
        </valueSetReference>
      </binding>
    </element>
    <element id="MessageHeader.event.system">
      <path value="MessageHeader.event.system" />
      <min value="1" />
      <fixedUri value="https://fhir.nhs.uk/STU3/CodeSystem/ITK-MessageEvent-2" />
    </element>
    <element id="MessageHeader.event.version">
      <path value="MessageHeader.event.version" />
      <max value="0" />
    </element>
    <element id="MessageHeader.event.code">
      <path value="MessageHeader.event.code" />
      <min value="1" />
    </element>
    <element id="MessageHeader.event.display">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="MessageHeader.event.display" />
      <min value="1" />
    </element>
    <element id="MessageHeader.event.userSelected">
      <path value="MessageHeader.event.userSelected" />
      <max value="0" />
    </element>
    <element id="MessageHeader.destination">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name">
        <valueString value="MessageDestination" />
      </extension>
      <path value="MessageHeader.destination" />
      <max value="0" />
    </element>
    <element id="MessageHeader.destination.target">
      <path value="MessageHeader.destination.target" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/ITK-Device-1" />
      </type>
    </element>
    <element id="MessageHeader.destination.target.reference">
      <path value="MessageHeader.destination.target.reference" />
      <min value="1" />
    </element>
    <element id="MessageHeader.receiver">
      <path value="MessageHeader.receiver" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-ITK-Header-Practitioner-1" />
      </type>
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-ITK-Header-Organization-1" />
      </type>
    </element>
    <element id="MessageHeader.receiver.reference">
      <path value="MessageHeader.receiver.reference" />
      <min value="1" />
    </element>
    <element id="MessageHeader.sender">
      <path value="MessageHeader.sender" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-ITK-Header-Practitioner-1" />
      </type>
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-ITK-Header-Organization-1" />
      </type>
    </element>
    <element id="MessageHeader.sender.reference">
      <path value="MessageHeader.sender.reference" />
      <min value="1" />
    </element>
    <element id="MessageHeader.enterer">
      <path value="MessageHeader.enterer" />
      <max value="0" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-ITK-Header-Practitioner-1" />
      </type>
    </element>
    <element id="MessageHeader.enterer.reference">
      <path value="MessageHeader.enterer.reference" />
      <min value="1" />
    </element>
    <element id="MessageHeader.author">
      <path value="MessageHeader.author" />
      <max value="0" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-ITK-Header-Practitioner-1" />
      </type>
    </element>
    <element id="MessageHeader.author.reference">
      <path value="MessageHeader.author.reference" />
      <min value="1" />
    </element>
    <element id="MessageHeader.source.name">
      <path value="MessageHeader.source.name" />
      <max value="0" />
    </element>
    <element id="MessageHeader.source.software">
      <path value="MessageHeader.source.software" />
      <max value="0" />
    </element>
    <element id="MessageHeader.source.version">
      <path value="MessageHeader.source.version" />
      <max value="0" />
    </element>
    <element id="MessageHeader.source.contact">
      <path value="MessageHeader.source.contact" />
      <max value="0" />
    </element>
    <element id="MessageHeader.source.contact.system">
      <path value="MessageHeader.source.contact.system" />
      <min value="1" />
    </element>
    <element id="MessageHeader.source.contact.value">
      <path value="MessageHeader.source.contact.value" />
      <min value="1" />
    </element>
    <element id="MessageHeader.source.endpoint">
      <path value="MessageHeader.source.endpoint" />
      <short value="The sending systems's MESH mailbox ID" />
    </element>
    <element id="MessageHeader.responsible">
      <path value="MessageHeader.responsible" />
      <max value="0" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-ITK-Header-Practitioner-1" />
      </type>
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-ITK-Header-Organization-1" />
      </type>
    </element>
    <element id="MessageHeader.responsible.reference">
      <path value="MessageHeader.responsible.reference" />
      <min value="1" />
    </element>
    <element id="MessageHeader.reason">
      <path value="MessageHeader.reason" />
      <max value="0" />
    </element>
    <element id="MessageHeader.reason.coding.system">
      <path value="MessageHeader.reason.coding.system" />
      <min value="1" />
    </element>
    <element id="MessageHeader.reason.coding.code">
      <path value="MessageHeader.reason.coding.code" />
      <min value="1" />
    </element>
    <element id="MessageHeader.reason.coding.display">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="MessageHeader.reason.coding.display" />
      <min value="1" />
    </element>
    <element id="MessageHeader.response.details">
      <path value="MessageHeader.response.details" />
      <short value="Specific list of hints/warnings/errors.  ITK-Response-OperationOutcome-1 is referenced." />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.nhs.uk/STU3/StructureDefinition/ITK-Response-OperationOutcome-1" />
      </type>
    </element>
    <element id="MessageHeader.response.details.reference">
      <path value="MessageHeader.response.details.reference" />
      <min value="1" />
    </element>
    <element id="MessageHeader.focus">
      <path value="MessageHeader.focus" />
      <max value="1" />
    </element>
    <element id="MessageHeader.focus.reference">
      <path value="MessageHeader.focus.reference" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>