{
  "resourceType": "StructureDefinition",
  "id": "18968f2d-0610-4795-abff-c56c3e6def60",
  "meta": {
    "lastUpdated": "2018-03-05T19:42:15.207+00:00"
  },
  "url": "StructureDefinition/MyDocumentReference",
  "name": "MyDocumentReference",
  "status": "draft",
  "date": "2017-09-11T17:51:40.908+00:00",
  "fhirVersion": "3.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "DocumentReference",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/DocumentReference",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "DocumentReference.masterIdentifier",
        "path": "DocumentReference.masterIdentifier",
        "min": 1
      },
      {
        "id": "DocumentReference.identifier",
        "path": "DocumentReference.identifier",
        "max": "0"
      },
      {
        "id": "DocumentReference.subject",
        "path": "DocumentReference.subject",
        "max": "0",
        "type": [
          {
            "code": "Reference",
            "targetProfile": "StructureDefinition/MyPractitioner"
          },
          {
            "code": "Reference",
            "targetProfile": "StructureDefinition/MyPatient"
          }
        ]
      },
      {
        "id": "DocumentReference.author",
        "path": "DocumentReference.author",
        "max": "0"
      },
      {
        "id": "DocumentReference.authenticator",
        "path": "DocumentReference.authenticator",
        "max": "0"
      },
      {
        "id": "DocumentReference.custodian",
        "path": "DocumentReference.custodian",
        "max": "0"
      },
      {
        "id": "DocumentReference.securityLabel",
        "path": "DocumentReference.securityLabel",
        "max": "0"
      },
      {
        "id": "DocumentReference.content.format",
        "path": "DocumentReference.content.format",
        "max": "0"
      },
      {
        "id": "DocumentReference.context",
        "path": "DocumentReference.context",
        "max": "0"
      }
    ]
  }
}