Displaying Details of an Object Type Component (BOR) 
You must open the object type whose components you want to maintain in change mode in the Business Object Builder.
Position the cursor on the object type component.
Choose
.
Position the cursor on a method.
Select Parameters or Exceptions.
The parameters or exceptions are displayed in a list.
Position the cursor on a line in the table.
Choose .
Position the cursor on an event.
Choose Parameters.
The parameters are displayed in a list.
Position the cursor on a line in the table.
Choose .
Position the cursor on an entry for which you want to process the implementation programming.
Choose Program.
You go to the ABAP Editor. There you can process the program containing the implementation. If there is corresponding programming for the chosen entry, this is displayed immediately.