Screen enhancement with CJ20N

Hi All,
I am working on a requirement, where i need to provide a custom screen tab in CJ20N Transaction.
Customer requirement is to have a custom screen tab at CJ20n>WBS Level>screen tabs.
How to proceed further?
Regards
Pavan

Hello
What you could do is: find out the package to which transaction CJ20N is
allocated and find enhancements for this package. (SMOD-> F4 -> information system-> enter package and press enter)
Or look for CALL CUSTOMER-FUNCTION, CALL CUSTOMER-SUBSCREEN (flowlogic)
or CL_EXITHANDLER class in CJ20N program.
OR goto se24 -> cl_exithandler -> double click on get_instances-> put a break point at call method cl_exithandler=>get_class_name_by_interface. -> now go and execute your tcode and find the appropriate BADI.
Hope the discussion was helpful.
Cheers,
Suvendu

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