About ActuateOne for e.Reports Data Connector functionality
A BIRT data object, information object, or report design can use the data connector to retrieve data from an existing ROI file in an Encyclopedia volume on Actuate BIRT iServer Release 11 or higher. The ROI file does not need to be on the same Encyclopedia volume as the BIRT report design.
The report object design (.rod) file used to generate the ROI file must have searchable fields defined. The ActuateOne for e.Reports Data Connector uses the display names for the searchable fields to name the columns in the BIRT data set.
An ActuateOne for e.Reports data source connects to an Encyclopedia volume. An ActuateOne for e.Reports data set maps controls in a selected e.report to data set columns. The user interface for creating the data set displays the control names as available columns. The names of the columns that the e.report data source uses are not available.

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