How to add 2% extra in total when some one select amazon payment as payment method!

Question

I have installed CS extension for Amazon payment, but I want to add a surcharge when someone selects this method.

I have tried few scripts but it does not work, installed few extension but it does not seem to work either.

any idea how to apply this extra 2% only when someone selects this method? (not other methods)

Answer 1

Take a look at this tutorial, it explains how to add extra fee to your cart/order.

You can get your payment method from your adress like this :

$payment_method = $address->getQuote()->getPayment()->getMethod();