My client has a requirement where we need to customize the Customer Master (FD01) screen and the Invoice Posting Screen (FB70). A few additional fields have to be added by creating a separate tab. I was intending to take Abaper's help and do this using user exits but I have been suggested by the cleint to use SAP PS Class and Characteristics feature to do this. Can someone please throw some light on this feature and how can i create custom fields on FD01 and FB70 screens. Is there a wa y we could customize these screens using PS characteristics. Your opinions would be much appreciated.
Thanks
Nik