How to find BADI in SAP ABAP
Step 1: Open Tcode – SE24 and write the name of class “CL_EXITHANDLER” and open in display mode.
Step 2: Now go to the Methods tab and open the GET_INSTANCE method by double-clicking on it.
Step 8: Put a debugger at line “CALL METHOD cl_exithandler=>get_class_name_by_interface”. And execute the standard Tcode(VA01) for BADI & you will get all Badi one by one.
Step 3: After getting the correct BADI. Now go to Tcode SE18 & Enter the BADI name and click display.
Step 4: Now you can implement & write custom codes as per requirement in a specific method.