How to implement new payment gateways

[component6]

Greetings!
I have a question about the implementation of new payment gateways

For example: I created a class app/CustomPayPaymentGateway.php that implements the interface PaymentGateway

Where and how can I register a new gateway?
I don't understand the line:
PaymentGateways::register('paypal', PaypalPaymentGateway::class);

[fulopattila122]

You need to call the above line in the boot method of your AppServiceProvider class.

For more info, see the gateway skeleton generator: https://github.com/vanilophp/payment-gateway-skeleton