6 Historical Access specific usage of Services ToC Previous Next

6.5 HistoryData parameters returned ToC Previous Next

6.5.4 HistoryEvent type ToC Previous Next

Table 27 defines the HistoryEvent parameter used for Historical Event reads.

The HistoryEvent defines a table structure that is used to return Event fields to a Historical Read. The structure is in the form of a table consisting of one or more Events, each containing an array of one or more fields. The selection and order of the fields returned for each Event are identical to the selected parameter of the EventFilter.

Table 27 – HistoryEvent Details

Name Type Description
Events [] HistoryEventFieldList The list of Events being delivered.
   eventFields [] BaseDataType List of selected Event fields. This will be a one-to-one match with the fields selected in the EventFilter.

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