enhancement

hi experts,

i got the requirement like this, everyday we are uploading payments file into sap. when upload finish i need to clear the credit line items against the debtor line items using tcode f-32. it has to be done automatically, no user interaction is need.

for this requirement which one i must use.

1) go to f-32 screen program and put the code in any exit

2) create new badi

3) create new program

any body please help me for this.

Thanks in advance,

Praveen.