Implement prepayment

This document describes the steps that you need to consider to implement the prepayment method without integrating with a third-party payment service provider.

This HowTo section shows how to add a new module called PaymentMethods.

If this is your first time creating a new module, see Tutorial: Add a new module.

1. Implement prepayment in frontend.
2. Integrate Prepayment into checkout.
3. Implement prepayment in Backend.
4. Implement prepayment in shared layer.
5. Test prepayment implementation.