Current behavior of event frame is to capture attribute value( PI Point data reference) as last recorded value for PI Point. For E.g. Event frame start time : 4/16/20 11:00 AM and Event Frame end time : 4/16/20 11:30:00 AM. Last recorded value of Attribute 1 ( PI Point data reference) is : 4/15/20 8:00 PM. Event frame will capture attribute value as 4/15/20 8:00 PM.
Is there any option to capture "No Data" for event frame attribute if there is no values available for PI Point during event frame time range ?