Adding Parameter for eval mode=Event

(Short description required.)

A event attribute is assigned by selecting Event from Eval drop-down list followed by selecting attribute from Source drop down.

Procedure

Select the activity (that you want to define parameters for) in the process flow.
In the Properties Window, go to the Input to Activity tab.
Expand the <activityname input parameters on the right.
Double-click on the parameter (for example, EventID), it will open Parameter dialog window. Select Event from the Eval drop-down list.
Select the appropriate value from the Source Expression drop-down list.
Click OK.