{
  "description": "BARSMessageHeader Booking Request profile",
  "_filename": "BARSMessageHeaderBooking-Request.json",
  "package_name": "uk.nhsdigital.bars.r4",
  "date": "2022-04-20",
  "derivation": "constraint",
  "publisher": null,
  "fhirVersion": "4.0.1",
  "name": "BARSMessageHeaderBookingRequest",
  "abstract": false,
  "type": "MessageHeader",
  "experimental": null,
  "resourceType": "StructureDefinition",
  "title": "BARS MessageHeader - Booking-Request",
  "package_version": "1.31.0",
  "status": "active",
  "id": "18c29fa6-0b41-43a1-9b5c-3238925626df",
  "kind": "resource",
  "url": "https://fhir.nhs.uk/StructureDefinition/BARSMessageHeader-booking-request",
  "version": "1.0.1",
  "differential": {
    "element": [ {
      "id": "MessageHeader.event[x].system",
      "path": "MessageHeader.event[x].system",
      "fixedUri": "https://fhir.nhs.uk/CodeSystem/message-events-bars"
    }, {
      "id": "MessageHeader.event[x].code",
      "min": 1,
      "path": "MessageHeader.event[x].code",
      "comment": "This will be a set of fixed values that are used to trigger use case specific processing when the bundle is received (refer to guidance for definitions etc..)",
      "fixedCode": "booking-request"
    }, {
      "id": "MessageHeader.destination",
      "min": 1,
      "path": "MessageHeader.destination"
    }, {
      "id": "MessageHeader.destination.receiver.reference",
      "min": 1,
      "path": "MessageHeader.destination.receiver.reference"
    }, {
      "id": "MessageHeader.sender.reference",
      "min": 1,
      "path": "MessageHeader.sender.reference"
    }, {
      "id": "MessageHeader.sender.identifier.assigner.reference",
      "min": 1,
      "path": "MessageHeader.sender.identifier.assigner.reference",
      "comment": "Reference to the Requester Organisation"
    }, {
      "id": "MessageHeader.source.extension",
      "min": 0,
      "path": "MessageHeader.source.extension",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      }
    }, {
      "id": "MessageHeader.source.extension:myExtension",
      "min": 0,
      "path": "MessageHeader.source.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "https://fhir.nhs.uk/StructureDefinition/CDSSExtension" ]
      } ],
      "sliceName": "myExtension"
    }, {
      "id": "MessageHeader.source.name",
      "path": "MessageHeader.source.name",
      "comment": "EMS Supplier company/ product name"
    }, {
      "id": "MessageHeader.source.version",
      "path": "MessageHeader.source.version",
      "comment": "EMS software version"
    }, {
      "id": "MessageHeader.source.endpoint",
      "path": "MessageHeader.source.endpoint",
      "comment": "The uri of the Requester’s endpoint"
    }, {
      "id": "MessageHeader.reason",
      "min": 1,
      "path": "MessageHeader.reason"
    }, {
      "id": "MessageHeader.reason.coding.system",
      "path": "MessageHeader.reason.coding.system",
      "comment": "BARS Event lifecycle \"new\", \"update\"",
      "fixedUri": "https://fhir.nhs.uk/CodeSystem/message-reason-bars"
    }, {
      "id": "MessageHeader.focus.reference",
      "min": 1,
      "path": "MessageHeader.focus.reference",
      "comment": "This MUST reference the UKCore-ServiceRequest resource."
    } ]
  },
  "baseDefinition": "https://fhir.hl7.org.uk/StructureDefinition/UKCore-MessageHeader"
}