You can find the payment methods in the Shopware 6 Administration under Settings > Shop > Payment methods.
Click on the button Add payment method to open the form for a new payment method. The following information must be provided:
In the Payment types section you enter the name (1) of the payment type.In the field Position (2) you can enter the position of this payment method. This position determines the order in which the payment types are displayed in the shop.
The items name, description and logo are displayed in your shop when you select the payment method in the storefront.
You can use the availability rule to determine when this payment method should be available. For this you can use the rules of the Rule Builder or add a new rule to the Rule Builder directly from here.