How can I apply a specific discount for bank transfer payments?

I am looking for a solution where I can apply a specific discount when the bank transfer (in this situation we defined on the money payment definition “Bank Deposit / EFT”) payment is selected by the customer. coding or a program
thanks

Hi, did you solve this?

Hi, I’ve solved it, with my own app. If you are interested, we charge a 50 USD monthly fee to use it. If you want, just drop me an email. [email removed]