{
  "resourceType": "StructureDefinition",
  "id": "HealthAppPrescriptionUnitAnwendungsdauer",
  "url": "https://fhir.bfarm.de/StructureDefinition/HealthAppPrescriptionUnitAnwendungsdauer",
  "version": "3.1.0-TEST",
  "name": "HealthAppPrescriptionUnitAnwendungsdauer",
  "title": "HealthAppPrescriptionUnit: Anwendungsdauer",
  "status": "active",
  "description": "Extension for specifying how long the user should use the prescription unit of the digital health application (DiGA). If not present, use is not time-limited (single licence).",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "ChargeItemDefinition"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Duration of use",
        "definition": "DiGA only: Specifies how long the user should use the prescription unit of the digital health application (DiGA). If not present, use is not time-limited (single licence).",
        "mustSupport": true
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "https://fhir.bfarm.de/StructureDefinition/HealthAppPrescriptionUnitAnwendungsdauer"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "Duration"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Extension.value[x].value",
        "path": "Extension.value[x].value",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Extension.value[x].unit",
        "path": "Extension.value[x].unit",
        "min": 1,
        "mustSupport": true
      }
    ]
  }
}