{
  "resourceType": "StructureDefinition",
  "id": "2fe12c87-2295-4b02-9e9a-0d909cb6da3e",
  "meta": {
    "lastUpdated": "2021-04-29T04:09:01.419+00:00"
  },
  "url": "https://simplifier.net/winningtest/extension-external-system-id",
  "name": "ExternalId",
  "title": "External Identifier",
  "status": "draft",
  "date": "2021-04-26T10:02:54.4151434Z",
  "description": "外部系统实际发药标识",
  "fhirVersion": "4.0.1",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "MedicationDispense"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "https://simplifier.net/winningtest/extension-external-system-id"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "type": [
          {
            "code": "string"
          }
        ]
      }
    ]
  }
}