The Offline Database Object only allows the Start Event. It is intended for variables initialization and other processing that could be needed before table synchronization happens. That is why it is executed before the conditions apply in the synchronization.
&DeviceID = ClientInformation.Id
where DeviceID = &DeviceID
&SalesAreaID = SalesAreaID
And then this variables can be used in the Conditions tabs like shown in the following code stub:
SalesAreaID = &SalesAreaID;
CustomerStatus = CustomerStatus.Active;
This feature is available as of GeneXus Tilo Beta 2