The RV_INVOICE_DOCUMENT_ADD, is a FM : use in T. code VF01, VF02, VF03 etc. in this in our system we have added Enhancement point as
ENHANCEMENT 266 ZACCOUNTING_FILE_SAVE2. "active version
CALL TRANSACTION 'ZACCOUNTING'.
this ZACCOUNTING is our customizin gtransaction which we have use , now i want to call this only if T. Code is VF02 for that i want to add the If condition in this enhancement block , but as earlier the enhancment point is added when i check the previous request number in FM : RV_INVOICE_DOCUMENT_ADD , THEIR IS NO REQUEST VERSION SO i WANT TO kNOW I can directly do the modification in FM OR is there any other code thorugh which i have to do the changes in enhancment point.