{
  "resourceType": "StructureDefinition",
  "id": "CMH-SU-ext-referral-source",
  "url": "https://ccim.on.ca/fhir/iar/StructureDefinition/CMH-SU-ext-referral-source",
  "name": "CMH-SU-ext-referral-source",
  "status": "draft",
  "fhirVersion": "3.0.1",
  "kind": "complex-type",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "ReferralRequest.requester.agent"
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "https://ccim.on.ca/fhir/iar/StructureDefinition/CMH-SU-ext-referral-source"
      },
      {
        "id": "Extension.value[x]:valueCode",
        "path": "Extension.valueCode",
        "sliceName": "valueCode",
        "min": 1,
        "type": [
          {
            "code": "code"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSetReference": {
            "reference": "https://ccim.on.ca/fhir/mds/ValueSet/vs-su-referral-source"
          }
        }
      }
    ]
  }
}