How to call a payment method on a different page, not on checkout

Hello!
   Pls I need help on how to call an install payment method on any page aside from checkout page... I.e  customer enter an amount in a text box and click pay, then installed payment plugin loads and process the specific amount entered?
Any help on this?.

height wrote:


Recently I have done process payment using plugin for paid customer registration. Its simple Refer PaymentMethod Action in CheckoutController

PM if you need more detail

Thanks,
Jatin

Could you please explain How to configure "payment using plugin for paid customer registration" ?