{
  "resourceType": "StructureDefinition",
  "id": "DataStandardsWales-MessageHeader",
  "url": "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-MessageHeader",
  "version": "0.0.1",
  "name": "DataStandardsWalesMessageHeader",
  "title": "Data Standards Wales Message Header",
  "status": "draft",
  "experimental": false,
  "date": "2025-12-12",
  "publisher": "NHS Wales",
  "contact": [
    {
      "name": "FHIR Service",
      "telecom": [
        {
          "system": "email",
          "value": "fhir.standards@wales.nhs.uk",
          "use": "work",
          "rank": 1
        }
      ]
    }
  ],
  "copyright": "2025 NHS Wales",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "MessageHeader",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/MessageHeader",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "MessageHeader.event[x]",
        "path": "MessageHeader.event[x]",
        "type": [
          {
            "code": "Coding"
          }
        ],
        "binding": {
          "strength": "preferred",
          "description": "NHS Wales Message Events",
          "valueSet": "https://fhir.nhs.wales/ValueSet/DataStandardsWales-MessageEvent"
        }
      },
      {
        "id": "MessageHeader.destination.target",
        "path": "MessageHeader.destination.target",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Device"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.destination.target.identifier.assigner",
        "path": "MessageHeader.destination.target.identifier.assigner",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.destination.receiver",
        "path": "MessageHeader.destination.receiver",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Practitioner",
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PractitionerRole",
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.destination.receiver.identifier.assigner",
        "path": "MessageHeader.destination.receiver.identifier.assigner",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.sender",
        "path": "MessageHeader.sender",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Practitioner",
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PractitionerRole",
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.sender.identifier.assigner",
        "path": "MessageHeader.sender.identifier.assigner",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.enterer",
        "path": "MessageHeader.enterer",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Practitioner",
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PractitionerRole"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.enterer.identifier.assigner",
        "path": "MessageHeader.enterer.identifier.assigner",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.author",
        "path": "MessageHeader.author",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Practitioner",
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PractitionerRole"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.author.identifier.assigner",
        "path": "MessageHeader.author.identifier.assigner",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.responsible",
        "path": "MessageHeader.responsible",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Practitioner",
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PractitionerRole",
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.responsible.identifier.assigner",
        "path": "MessageHeader.responsible.identifier.assigner",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.response.details.identifier.assigner",
        "path": "MessageHeader.response.details.identifier.assigner",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization"
            ]
          }
        ]
      },
      {
        "id": "MessageHeader.focus.identifier.assigner",
        "path": "MessageHeader.focus.identifier.assigner",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization"
            ]
          }
        ]
      }
    ]
  }
}