How to top up account in BOSS REVOLUTION CALLING app?

hello so this is boss revolution calling app so to top up your account just go to the payment in the bottom right and then uh you can just recharge at like 15 something add card number code and then just submit uh you can add payment number you can set up autorecharge and yeah so recurring payment um then you can just share your balance and that's it so that's how you recharge this app