{
  "resourceType": "StructureDefinition",
  "id": "353f3411-d640-4042-b3aa-19e89fed20a6",
  "meta": {
    "lastUpdated": "2018-05-25T21:48:55.097+00:00"
  },
  "url": "http://localhost:4080/StructureDefinition/ImagingStudy-Annotation",
  "name": "ImagingStudy-Annotation",
  "status": "draft",
  "date": "2018-05-25T21:48:56.88+00:00",
  "fhirVersion": "3.0.1",
  "kind": "complex-type",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "ImagingStudy.series.instance"
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Optional Extensions Element",
        "definition": "Optional Extension Element - found in all resources.",
        "base": {
          "path": "Element",
          "min": 0,
          "max": "*"
        },
        "constraint": [
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "rules": "open"
        }
      },
      {
        "id": "Extension.extension:Id",
        "path": "Extension.extension",
        "sliceName": "Id",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Extension.extension:Id.url",
        "path": "Extension.extension.url",
        "fixedUri": "Id"
      },
      {
        "id": "Extension.extension:Id.value[x]:valueId",
        "path": "Extension.extension.valueId",
        "sliceName": "valueId",
        "min": 1,
        "type": [
          {
            "code": "id"
          }
        ]
      },
      {
        "id": "Extension.extension:Author",
        "path": "Extension.extension",
        "sliceName": "Author",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Extension.extension:Author.url",
        "path": "Extension.extension.url",
        "fixedUri": "Author"
      },
      {
        "id": "Extension.extension:Author.value[x]:valueString",
        "path": "Extension.extension.valueString",
        "sliceName": "valueString",
        "min": 1,
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:Date",
        "path": "Extension.extension",
        "sliceName": "Date",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Extension.extension:Date.url",
        "path": "Extension.extension.url",
        "fixedUri": "Date"
      },
      {
        "id": "Extension.extension:Date.value[x]:valueDateTime",
        "path": "Extension.extension.valueDateTime",
        "sliceName": "valueDateTime",
        "min": 1,
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "Extension.extension:Content",
        "path": "Extension.extension",
        "sliceName": "Content",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Extension.extension:Content.url",
        "path": "Extension.extension.url",
        "fixedUri": "Content"
      },
      {
        "id": "Extension.extension:Content.value[x]:valueString",
        "path": "Extension.extension.valueString",
        "sliceName": "valueString",
        "min": 1,
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "http://localhost:4080/StructureDefinition/ImagingStudy-Annotation"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "max": "0"
      }
    ]
  }
}