{
  "resourceType": "StructureDefinition",
  "id": "change-description",
  "url": "http://hl7.org.au/fhir/StructureDefinition/change-description",
  "version": "1.1.0",
  "name": "ChangeDescription",
  "title": "Change Description",
  "status": "draft",
  "date": "2018-11-30",
  "publisher": "Health Level Seven Australia (Medications WG)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org.au/fhir",
          "use": "work"
        }
      ]
    }
  ],
  "description": "This extension applies to the List resource and provides a narrative description of the change to an item in a list entry. The narrative description may include the reason for the change to an item.",
  "fhirVersion": "3.0.1",
  "kind": "complex-type",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "List.entry"
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
            "valueCode": "draft"
          }
        ],
        "path": "Extension",
        "short": "Change description",
        "definition": "Description of a change including the reason for change."
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "http://hl7.org.au/fhir/StructureDefinition/change-description"
      },
      {
        "id": "Extension.value[x]:valueString",
        "path": "Extension.valueString",
        "sliceName": "valueString",
        "min": 1,
        "type": [
          {
            "code": "string"
          }
        ]
      }
    ]
  }
}