<MessageDefinition xmlns="http://hl7.org/fhir">
    <id value="7731af63-04ed-47d9-8f05-e510dece3b3f" />
    <url value="https://fhir.nhs.uk/MessageDefinition/bars-message-servicerequest-request-validation" />
    <!--  This is the version number of Application 4  -->
    <version value="1.1.0" />
    <name value="BARS Message Definition ServiceRequest - Request Validation" />
    <title value="BARS Message Definition ServiceRequest - Request Validation" />
    <status value="active" />
    <date value="2025-03-24" />
    <useContext>
        <!--  We are expecting the UseContext to be a DOS ID  -->
        <code>
            <system value="http://terminology.hl7.org/CodeSystem/usage-context-type" />
            <code value="workflow" />
        </code>
        <valueCodeableConcept>
            <coding>
                <system value="https://fhir.nhs.uk/Id/dos-service-id" />
                <code value="dos-id" />
            </coding>
        </valueCodeableConcept>
    </useContext>
    <!--  Applications will have a mixture of single or multiple use-case categoreis supported. If a supplier solution supports multiple Applications (1,3,6, etc.), it would be expected each Application would have a different MessageDefinition, even if the Application versions were currently the same. Application versions will diverge and it would be coincidence for them to be the same.   -->
    <useContext>
        <code>
            <system value="http://terminology.hl7.org/CodeSystem/usage-context-type" />
            <code value="workflow" />
        </code>
        <valueCodeableConcept>
            <coding>
                <!--   Use cases supported by this MessageDefinition for Application 4   -->
                <system value="https://fhir.nhs.uk/CodeSystem/usecases-categories-bars" />
                <code value="a4t1" />
                <display value="999 to CAS Validation" />
            </coding>
        </valueCodeableConcept>
    </useContext>
    <eventCoding>
        <system value="https://fhir.nhs.uk/CodeSystem/message-events-bars" />
        <code value="servicerequest-request" />
    </eventCoding>
    <focus>
        <code value="Bundle" />
        <profile value="https://fhir.nhs.uk/StructureDefinition/BARSBundleMessage" />
        <min value="1" />
        <max value="1" />
    </focus>
    <focus>
        <code value="MessageHeader" />
        <profile value="https://fhir.nhs.uk/StructureDefinition/BARSMessageHeader-servicerequest-request" />
        <min value="1" />
        <max value="1" />
    </focus>
    <focus>
        <code value="ServiceRequest" />
        <profile value="https://fhir.nhs.uk/StructureDefinition/BARSServiceRequest-request-validation" />
        <min value="1" />
        <max value="1" />
    </focus>
    <focus>
        <code value="Patient" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Patient" />
        <min value="1" />
        <max value="1" />
    </focus>
    <focus>
        <code value="Encounter" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Encounter" />
        <min value="1" />
        <max value="1" />
    </focus>
    <focus>
        <code value="CarePlan" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-CarePlan" />
        <min value="1" />
        <max value="1" />
    </focus>
    <focus>
        <code value="Location" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Location" />
        <min value="1" />
        <max value="1" />
    </focus>
    <focus>
        <code value="Organization" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Organization" />
        <min value="2" />
        <max value="*" />
    </focus>
    <focus>
        <code value="Practitioner" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Practitioner" />
        <min value="1" />
        <max value="*" />
    </focus>
    <focus>
        <code value="PractitionerRole" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-PractitionerRole" />
        <min value="1" />
        <max value="*" />
    </focus>
    <focus>
        <code value="Observation" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation" />
        <min value="0" />
        <max value="*" />
    </focus>
    <focus>
        <code value="Flag" />
        <profile value="https://fhir.nhs.uk/StructureDefinition/BARSFlag-scene-safety" />
        <min value="0" />
        <max value="*" />
    </focus>
    <focus>
        <code value="Flag" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Flag" />
        <min value="0" />
        <max value="*" />
    </focus>
    <focus>
        <code value="Consent" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Consent" />
        <min value="1" />
        <max value="*" />
    </focus>
    <focus>
        <code value="MedicationStatement" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-MedicationStatement" />
        <min value="0" />
        <max value="*" />
    </focus>
    <focus>
        <code value="AllergyIntolerance" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-AllergyIntolerance" />
        <min value="0" />
        <max value="*" />
    </focus>
    <focus>
        <code value="HealthcareService" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-HealthcareService" />
        <min value="1" />
        <max value="1" />
    </focus>
</MessageDefinition>