Table 27defines the HistoryEvent parameter used for Historical Eventreads.

The HistoryEvent defines a table structure that is used to return Eventfields 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 Eventare identical to the selected parameter of the EventFilter.

Table 27– HistoryEvent Details

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