Information for EGD is readily published. Although it can be difficult to first understand, once understood; produced and consumed EGD conversation are easy to send and receive.
The Mark VI toolbox will export the EGD settings for you if you wish. Consult your manual on EGD and Mark VI toolbox.
Once you know the consumer and producer exchanges that are configured in the Mark VI, it is simply a matter of configuring their counterparts in the KEPServerEX project. The following link is to a user guide found in the Kepware Support Center.