{
  "resourceType": "StructureDefinition",
  "url": "https://example.org/fhir/StructureDefinition/Issue02-BasePatient",
  "name": "Issue02BasePatient",
  "status": "draft",
  "description": "Base Patient profile with one card constraint on one element containing a MustSupport.",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Patient",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Patient",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Patient.name",
        "path": "Patient.name",
        "max": "1"
      },
      {
        "id": "Patient.gender",
        "path": "Patient.gender",
        "mustSupport": true
      }
    ]
  }
}