{
  "resourceType": "StructureDefinition",
  "url": "https://example.org/fhir/StructureDefinition/TestBundle",
  "name": "TestBundle",
  "status": "draft",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Bundle",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Bundle",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Bundle.identifier.extension:extDocCodeMapping",
        "path": "Bundle.identifier.extension",
        "sliceName": "extDocCodeMapping",
        "type": [
          {
            "code": "Extension",
            "profile": [
              "http://ontariohealth.ca/fhir/StructureDefinition/ExtDocCodeMapping"
            ]
          }
        ],
        "isModifier": false
      }
    ]
  }
}