{
  "resourceType": "StructureDefinition",
  "id": "GatewaySystem",
  "url": "http://vzvz.nl/fhir/StructureDefinition/GatewaySystem",
  "version": "4.0.0-beta.1",
  "name": "ExtGatewaySystem",
  "title": "GatewaySystem",
  "status": "draft",
  "description": "Extension to indicate location of the Gateway System",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "expression": "Subscription",
      "type": "element"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "GatewaySystem",
        "definition": "Extension to indicate location of the Gateway System"
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "http://vzvz.nl/fhir/StructureDefinition/GatewaySystem"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "type": [
          {
            "code": "oid"
          },
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/StructureDefinition/Device",
              "http://vzvz.nl/fhir/StructureDefinition/nl-vzvz-Device"
            ]
          }
        ]
      }
    ]
  }
}