{
  "resourceType": "StructureDefinition",
  "url": "https://fhir.gevko.de/StructureDefinition/EX_OSC_AGS",
  "name": "EX_OSC_AGS",
  "version": "1.1.0",
  "status": "active",
  "fhirVersion": "4.0.1",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "Practitioner.identifier"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "https://fhir.gevko.de/StructureDefinition/EX_OSC_AGS"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ags",
            "requirements": "Die AGS besteht aus 2 Ziffern",
            "severity": "error",
            "human": "Die AGS besteht aus 2 Ziffern",
            "expression": "matches('^[0-9]{2}$')"
          }
        ]
      }
    ]
  }
}