{
  "resourceType": "StructureDefinition",
  "id": "codesystem-comment",
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "vocab"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 1
    }
  ],
  "url": "http://hl7.org/fhir/StructureDefinition/codesystem-comment",
  "name": "comment",
  "status": "draft",
  "date": "2017-04-18T21:44:43+00:00",
  "publisher": "HL7",
  "description": "Each comment is a time-stamped entry of arbitrary length that is not editable except by anyone in the author group.",
  "fhirVersion": "3.0.1",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "CodeSystem"
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Human-specified notes and other documentation",
        "definition": "Each comment is a time-stamped entry of arbitrary length that is not editable except by anyone in the author group.",
        "min": 0,
        "max": "*",
        "isModifier": false
      },
      {
        "id": "Extension.extension:content",
        "path": "Extension.extension",
        "sliceName": "content",
        "short": "Remarks or other text",
        "definition": "Comments created about the value set.",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Extension.extension:content.extension",
        "path": "Extension.extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.extension:content.url",
        "path": "Extension.extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "content"
      },
      {
        "id": "Extension.extension:content.valueString",
        "path": "Extension.extension.valueString",
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:timestamp",
        "path": "Extension.extension",
        "sliceName": "timestamp",
        "short": "When the comment was created",
        "definition": "Time the comment was recorded.",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Extension.extension:timestamp.extension",
        "path": "Extension.extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.extension:timestamp.url",
        "path": "Extension.extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "timestamp"
      },
      {
        "id": "Extension.extension:timestamp.valueInstant",
        "path": "Extension.extension.valueInstant",
        "type": [
          {
            "code": "instant"
          }
        ]
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/StructureDefinition/codesystem-comment"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "min": 0,
        "max": "0"
      }
    ]
  }
}