Database trigger events give the C/AL developers the possibility to receive notifications when data in a table is being updated. There are eight events raised on data modification - before and after each of the four table actions: insert, modify, delete, and rename. Two more events are reserved for field validation - OnBeforeValidateEvent and OnAfterValidateEvent.
Unlike business and integration events, database triggers are not raised by the application code, they are managed by the NAV server.
In the following recipe, you will create an event subscriber function that subscribes to database trigger events to implement additional verification of the record before it is inserted into the database.
In the NAV codeunit designer, create a new codeunit with ID
50902and nameDatabase Trigger Event.In C/AL Globals, declare a function
OnInsertVerifyRecordthat will subscribe to theOnInsertevent of theCustomertable.Open the function properties. In the...