{
  "resourceType": "StructureDefinition",
  "url": "http://ontariohealth.ca/fhir/iar/StructureDefinition/profile-messageheader",
  "name": "MessageHeaderIAR",
  "title": "MessageHeader IAR",
  "status": "active",
  "description": "A resource defining the event represented by the message, supporting FHIR-based messaging for assessment submission.",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "MessageHeader",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/MessageHeader",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "MessageHeader.id",
        "path": "MessageHeader.id",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "MessageHeader.event[x]",
        "path": "MessageHeader.event[x]",
        "type": [
          {
            "code": "Coding",
            "profile": [
              "http://ontariohealth.ca/fhir/ehr/StructureDefinition/Coding-oh-ehr"
            ]
          }
        ],
        "mustSupport": true,
        "binding": {
          "strength": "preferred",
          "valueSet": "http://ontariohealth.ca/fhir/iar/ValueSet/message-event-code"
        }
      },
      {
        "id": "MessageHeader.event[x].display.extension:translation",
        "path": "MessageHeader.event[x].display.extension",
        "sliceName": "translation"
      },
      {
        "id": "MessageHeader.event[x].display.extension:translation.extension",
        "path": "MessageHeader.event[x].display.extension.extension",
        "min": 2
      },
      {
        "id": "MessageHeader.sender",
        "path": "MessageHeader.sender",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://ontariohealth.ca/fhir/ehr/StructureDefinition/profile-organization"
            ],
            "aggregation": [
              "bundled"
            ]
          }
        ],
        "mustSupport": true
      },
      {
        "id": "MessageHeader.sender.reference",
        "path": "MessageHeader.sender.reference",
        "mustSupport": true
      },
      {
        "id": "MessageHeader.sender.identifier",
        "path": "MessageHeader.sender.identifier",
        "mustSupport": true
      },
      {
        "id": "MessageHeader.sender.identifier.system",
        "path": "MessageHeader.sender.identifier.system",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "MessageHeader.sender.identifier.value",
        "path": "MessageHeader.sender.identifier.value",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "MessageHeader.sender.display",
        "path": "MessageHeader.sender.display",
        "mustSupport": true
      },
      {
        "id": "MessageHeader.source",
        "path": "MessageHeader.source",
        "mustSupport": true
      },
      {
        "id": "MessageHeader.source.name",
        "path": "MessageHeader.source.name",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "MessageHeader.source.software",
        "path": "MessageHeader.source.software",
        "mustSupport": true
      },
      {
        "id": "MessageHeader.source.version",
        "path": "MessageHeader.source.version",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "MessageHeader.source.endpoint",
        "path": "MessageHeader.source.endpoint",
        "mustSupport": true
      },
      {
        "id": "MessageHeader.focus",
        "path": "MessageHeader.focus",
        "min": 1,
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://ontariohealth.ca/fhir/iar/StructureDefinition/profile-questionnaireresponse"
            ],
            "aggregation": [
              "bundled"
            ]
          }
        ],
        "mustSupport": true
      },
      {
        "id": "MessageHeader.focus.reference",
        "path": "MessageHeader.focus.reference",
        "mustSupport": true
      }
    ]
  }
}