If you would like to find a payment method list that you can use inside your Business Central, you need to go to search and then search for “Payment Methods”
In this list, you can find default payment methods that has been installed in BC, but you can also find AMC Banking payment methods, which you can use to make payments.
Those methods are marked in the following screenshot:
If you can not find the AMC Banking payment methods on this list, you need to go to “AMC Banking Setup”, and run assisted setup again.