{
  "resourceType": "StructureDefinition",
  "id": "143e5148-9750-4d94-93ce-dccd8214a4ac",
  "meta": {
    "lastUpdated": "2019-01-10T11:37:26.224+00:00"
  },
  "url": "http://example.org/fhir/StructureDefinition/FUTPatient",
  "name": "FUTPatient",
  "status": "draft",
  "date": "2019-01-10T11:37:26.128493+00:00",
  "fhirVersion": "3.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Patient",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Patient",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Patient.extension",
        "path": "Patient.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "rules": "open"
        }
      },
      {
        "id": "Patient.extension:petNameExtension",
        "path": "Patient.extension",
        "sliceName": "petNameExtension",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": "http://example.org/fhir/StructureDefinition/PetName"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Patient.animal",
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
            "valueString": "Animal"
          }
        ],
        "path": "Patient.animal",
        "max": "0"
      }
    ]
  }
}