*activate credit card collection in {{#fas:cog}} (SETTINGS) PAYMENTS > PAYMENT GATEWAYS > CREDIT CARD
*set which credit cards you accept {{#fas:cog}} (SETTINGS) PAYMENTS > CREDIT CARD COLLECTION
*Go to {{#fas:cog}} (SETTINGS) GUEST MANAGEMENT > AUTO ACTIONS and create an Auto Action. A template is for a "Payment Request" is available which you can customize for this purpose or start from scatch. Use the context help (?Icons) in the Auto Action and on the help page (click on HELP in the top right menu) for general further instructions.
Template variables are used to link to the form.