description: Information on changes made to the Value Set Definition over time, and also has a contained audit trail of all such changes.
package_name: hl7.fhir.core
derivation: constraint
name: history
type: Extension
elements:
  extension:
    isModifier: false
    short: The name of this set of history entries
    type: Extension
    index: 0
    slicing:
      slices:
        name:
          match: {}
          schema:
            isModifier: false
            short: The name of this set of history entries
            type: Extension
            index: 0
            extensions: {}
            elements:
              extension: {index: 1}
              url:
                type: uri
                pattern: {type: Uri, value: name}
                index: 2
              valueString: {type: string, index: 3}
        revision:
          match: {}
          schema:
            isModifier: false
            short: Audit of all changes for a history entry
            type: Extension
            array: true
            index: 4
            extensions:
              date:
                url: null
                isModifier: false
                short: Date the change was made
                type: Extension
                _required: true
                index: 6
                extensions: {}
                elements:
                  extension: {index: 7}
                  url:
                    type: uri
                    pattern: {type: Uri, value: date}
                    index: 8
                  valueDateTime: {type: dateTime, index: 9}
              id:
                url: null
                isModifier: false
                short: Version marker after the change was made
                type: Extension
                _required: true
                index: 10
                extensions: {}
                elements:
                  extension: {index: 11}
                  url:
                    type: uri
                    pattern: {type: Uri, value: id}
                    index: 12
                  valueString: {type: string, index: 13}
              author:
                url: null
                isModifier: false
                short: Who made the change
                type: Extension
                _required: true
                index: 14
                extensions: {}
                elements:
                  extension: {index: 15}
                  url:
                    type: uri
                    pattern: {type: Uri, value: author}
                    index: 16
                  valueString: {type: string, index: 17}
              notes:
                url: null
                isModifier: false
                short: Information about the change
                type: Extension
                index: 18
                extensions: {}
                elements:
                  extension: {index: 19}
                  url:
                    type: uri
                    pattern: {type: Uri, value: notes}
                    index: 20
                  valueString: {type: string, index: 21}
            elements:
              extension:
                index: 5
                slicing:
                  slices:
                    date:
                      match: {}
                      schema:
                        isModifier: false
                        short: Date the change was made
                        type: Extension
                        _required: true
                        index: 6
                        extensions: {}
                        elements:
                          extension: {index: 7}
                          url:
                            type: uri
                            pattern: {type: Uri, value: date}
                            index: 8
                          valueDateTime: {type: dateTime, index: 9}
                    id:
                      match: {}
                      schema:
                        isModifier: false
                        short: Version marker after the change was made
                        type: Extension
                        _required: true
                        index: 10
                        extensions: {}
                        elements:
                          extension: {index: 11}
                          url:
                            type: uri
                            pattern: {type: Uri, value: id}
                            index: 12
                          valueString: {type: string, index: 13}
                    author:
                      match: {}
                      schema:
                        isModifier: false
                        short: Who made the change
                        type: Extension
                        _required: true
                        index: 14
                        extensions: {}
                        elements:
                          extension: {index: 15}
                          url:
                            type: uri
                            pattern: {type: Uri, value: author}
                            index: 16
                          valueString: {type: string, index: 17}
                    notes:
                      match: {}
                      schema:
                        isModifier: false
                        short: Information about the change
                        type: Extension
                        index: 18
                        extensions: {}
                        elements:
                          extension: {index: 19}
                          url:
                            type: uri
                            pattern: {type: Uri, value: notes}
                            index: 20
                          valueString: {type: string, index: 21}
              url:
                type: uri
                pattern: {type: Uri, value: revision}
                index: 22
              value:
                choices: []
                index: 24
  url:
    type: uri
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/codesystem-history'}
    index: 25
  value:
    choices: []
    index: 27
package_version: 3.5.0
extensions:
  name:
    url: null
    isModifier: false
    short: The name of this set of history entries
    type: Extension
    index: 0
    extensions: {}
    elements:
      extension: {index: 1}
      url:
        type: uri
        pattern: {type: Uri, value: name}
        index: 2
      valueString: {type: string, index: 3}
  revision:
    url: null
    isModifier: false
    short: Audit of all changes for a history entry
    type: Extension
    array: true
    index: 4
    extensions:
      date:
        url: null
        isModifier: false
        short: Date the change was made
        type: Extension
        _required: true
        index: 6
        extensions: {}
        elements:
          extension: {index: 7}
          url:
            type: uri
            pattern: {type: Uri, value: date}
            index: 8
          valueDateTime: {type: dateTime, index: 9}
      id:
        url: null
        isModifier: false
        short: Version marker after the change was made
        type: Extension
        _required: true
        index: 10
        extensions: {}
        elements:
          extension: {index: 11}
          url:
            type: uri
            pattern: {type: Uri, value: id}
            index: 12
          valueString: {type: string, index: 13}
      author:
        url: null
        isModifier: false
        short: Who made the change
        type: Extension
        _required: true
        index: 14
        extensions: {}
        elements:
          extension: {index: 15}
          url:
            type: uri
            pattern: {type: Uri, value: author}
            index: 16
          valueString: {type: string, index: 17}
      notes:
        url: null
        isModifier: false
        short: Information about the change
        type: Extension
        index: 18
        extensions: {}
        elements:
          extension: {index: 19}
          url:
            type: uri
            pattern: {type: Uri, value: notes}
            index: 20
          valueString: {type: string, index: 21}
    elements:
      extension:
        index: 5
        slicing:
          slices:
            date:
              match: {}
              schema:
                isModifier: false
                short: Date the change was made
                type: Extension
                _required: true
                index: 6
                extensions: {}
                elements:
                  extension: {index: 7}
                  url:
                    type: uri
                    pattern: {type: Uri, value: date}
                    index: 8
                  valueDateTime: {type: dateTime, index: 9}
            id:
              match: {}
              schema:
                isModifier: false
                short: Version marker after the change was made
                type: Extension
                _required: true
                index: 10
                extensions: {}
                elements:
                  extension: {index: 11}
                  url:
                    type: uri
                    pattern: {type: Uri, value: id}
                    index: 12
                  valueString: {type: string, index: 13}
            author:
              match: {}
              schema:
                isModifier: false
                short: Who made the change
                type: Extension
                _required: true
                index: 14
                extensions: {}
                elements:
                  extension: {index: 15}
                  url:
                    type: uri
                    pattern: {type: Uri, value: author}
                    index: 16
                  valueString: {type: string, index: 17}
            notes:
              match: {}
              schema:
                isModifier: false
                short: Information about the change
                type: Extension
                index: 18
                extensions: {}
                elements:
                  extension: {index: 19}
                  url:
                    type: uri
                    pattern: {type: Uri, value: notes}
                    index: 20
                  valueString: {type: string, index: 21}
      url:
        type: uri
        pattern: {type: Uri, value: revision}
        index: 22
      value:
        choices: []
        index: 24
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/codesystem-history
base: http://hl7.org/fhir/StructureDefinition/Extension
version: null