6 Historical Access specific usage of Services ToC Previous Next

6.5 HistoryData parameters returned ToC Previous Next

6.5.3 HistoryModifiedData type ToC Previous Next

Table 26 defines the structure of the HistoryModifiedData used for the data to return in a HistoryRead when IsReadModified = True.

Table 26 – HistoryModifiedData Details

Name Type Description
HistoryModifiedData Structure  
   dataValues[] DataValue An array of values of history data for the Node. The size of the array depends on the requested data parameters.
   modificationInfos[] ModificationInfo  
      modificationTime UtcTime The time the modification was made. Support for this field is optional. A null shall be returned if it is not defined.
      updateType HistoryUpdateType The modification type for the item.
      userName String The name of the user that made the modification. Support for this field is optional. A null shall be returned if it is not defined.

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