{
  "resourceType": "StructureDefinition",
  "url": "https://example.org/fhir/StructureDefinition/MessageHeaderRSIPA",
  "name": "MessageHeaderRSIPA",
  "status": "draft",
  "date": "2022-10-12T20:47:02.1554281+00:00",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "MessageHeader",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/MessageHeader",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "MessageHeader.sender",
        "path": "MessageHeader.sender",
        "min": 1
      },
      {
        "id": "MessageHeader.enterer",
        "path": "MessageHeader.enterer",
        "max": "0"
      },
      {
        "id": "MessageHeader.author",
        "path": "MessageHeader.author",
        "max": "0"
      }
    ]
  }
}