Cardinality (Patient Profile)

{
"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
}
]
}
}