{
  "resourceType": "StructureDefinition",
  "url": "http://example.org/fhir/StructureDefinition/MontrealPatient",
  "name": "MontrealPatient",
  "status": "draft",
  "fhirVersion": "4.0.0",
  "kind": "resource",
  "abstract": false,
  "type": "Patient",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Patient",
  "derivation": "constraint",
  "snapshot": {},
  "differential": {
    "element": [
      {
        "id": "Patient.extension",
        "path": "Patient.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "rules": "open"
        }
      },
      {
        "id": "Patient.extension:hairColor",
        "path": "Patient.extension",
        "sliceName": "hairColor",
        "type": [
          {
            "code": "Extension",
            "profile": "http://example.org/fhir/StructureDefinition/MyPatientHairColor"
          }
        ]
      },
      {
        "id": "Patient.extension:hairColor.value[x]:valueString",
        "path": "Patient.extension.value[x]",
        "sliceName": "valueString"
      },
      {
        "id": "Patient.identifier",
        "path": "Patient.identifier",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "system"
            }
          ],
          "rules": "open"
        },
        "min": 1
      },
      {
        "id": "Patient.identifier:ssn",
        "path": "Patient.identifier",
        "sliceName": "ssn",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Patient.identifier:ssn.system",
        "path": "Patient.identifier.system",
        "min": 1,
        "fixedUri": "http://hl7.org/fhir/NamingSystem/ssn"
      },
      {
        "id": "Patient.identifier:ssn.value",
        "path": "Patient.identifier.value",
        "min": 1
      },
      {
        "id": "Patient.name",
        "path": "Patient.name",
        "min": 1
      },
      {
        "id": "Patient.gender",
        "path": "Patient.gender",
        "alias": [
          "genda"
        ]
      },
      {
        "id": "Patient.deceased[x]",
        "path": "Patient.deceasedDateTime",
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "Patient.photo",
        "path": "Patient.photo",
        "max": "0"
      }
    ]
  }
}