These steps should enable you to find any BADI related to any transaction in a matter of minutes.
1) Go to the transaction SE37 to find your function module.
2) Locate the function SXV_GET_CLIF_BY_NAME.
3) Put a breakpoint there.
4) Now open a new session.
5) Go to your transaction.
6) At that time, it will stop this function.
7) Double click on the function field EXIT_NAME.
8) That will give you name of the BADI that is provided in your transaction.