{
  "resourceType": "StructureDefinition",
  "id": "patient-cardinality",
  "url": "http://example.org/fhir/StructureDefinition/patient-cardinality",
  "name": "Patientcardinality",
  "title": "Patient (cardinality)",
  "status": "draft",
  "experimental": true,
  "description": "This profile illustrates the use of cardinality within a given FHIR resource, as seen with the patient profile here.",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Patient",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Patient",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Patient.communication",
        "path": "Patient.communication",
        "min": 1
      }
    ]
  }
}