{
  "resourceType": "StructureDefinition",
  "url": "https://example.org/fhir/StructureDefinition/DutchPatient",
  "name": "DutchPatient",
  "status": "draft",
  "date": "2023-07-26T13:01:02.0683019+00:00",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Patient",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Patient",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Patient.identifier",
        "path": "Patient.identifier",
        "slicing": {
          "discriminator": [
            {
              "type": "type",
              "path": "system"
            }
          ],
          "rules": "open"
        },
        "min": 1
      },
      {
        "id": "Patient.identifier:burgerservicenummer",
        "path": "Patient.identifier",
        "sliceName": "burgerservicenummer",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Patient.identifier:burgerservicenummer.system",
        "path": "Patient.identifier.system",
        "fixedUri": "http://fhir.nl/fhir/NamingSystem/bsn"
      },
      {
        "id": "Patient.identifier:burgerservicenummer.value",
        "path": "Patient.identifier.value",
        "patternString": "\\d{9}"
      },
      {
        "id": "Patient.contact.extension",
        "path": "Patient.contact.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "rules": "open"
        },
        "min": 0
      },
      {
        "id": "Patient.contact.extension:role",
        "path": "Patient.contact.extension",
        "sliceName": "role",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": [
              "https://example.org/fhir/StructureDefinition/ContactExtension"
            ]
          }
        ],
        "isModifier": false
      },
      {
        "id": "Patient.contact.organization",
        "path": "Patient.contact.organization",
        "type": [
          {
            "code": "Reference",
            "profile": [
              "http://example.org/DutchOrganization"
            ]
          }
        ]
      }
    ]
  }
}