Adding extra attributes to persistent objects (PO’s) is something that can be very easily done from the Vidyano Management. That’s as far as Vidyano can help you. Since the data doesn’t exist in the database table, that is something that you have to do yourself.
Displaying extra attributes on the PO screen
When displaying extra attributes on a PO, you have to set the data in code. The OnLoad overload should be the starting point