Action is a Read-Only property that returns the action associated with the PIEventObject as an enumeration from the EventActionConstants.
The object placeholder is an object expression that evaluates to a PIEventObject object.
The possible values for the Action property are
|eaUpdate||The event represents an update|
|eaAdd||The event represents an addition|
|eaDelete||The event represents a deletion.|
The event represents an edit
|eaAddNoReplace||The event represents an insertion without replacing an existing event.|
PIEventObject properties are dependent on the EventPipe source. See the PIEventObject for details.