{
  "resourceType": "StructureDefinition",
  "url": "https://ccim.on.ca/fhir/iar/StructureDefinition/CMH-SU-ReferralRequest",
  "name": "CMH-SU ReferralRequest",
  "status": "draft",
  "fhirVersion": "3.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "ReferralRequest",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/ReferralRequest",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "ReferralRequest.id",
        "path": "ReferralRequest.id",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "ReferralRequest.requester",
        "path": "ReferralRequest.requester",
        "min": 1
      },
      {
        "id": "ReferralRequest.requester.agent.extension",
        "path": "ReferralRequest.requester.agent.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "rules": "open"
        }
      },
      {
        "id": "ReferralRequest.requester.agent.extension:referral-source",
        "path": "ReferralRequest.requester.agent.extension",
        "sliceName": "referral-source",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": "https://ccim.on.ca/fhir/iar/StructureDefinition/CMH-SU-ext-referral-source"
          }
        ],
        "mustSupport": true
      }
    ]
  }
}