The gateway works by first let the user pay for creating a mandate. This can be either a symbolic amount of x (default 1 cent) or by paying an open invoice. After the mandate is created, Mollie Recurring will be activated for the customer and from this moment on all open invoices for that customer will be send to Mollie Recurring. The gateway will ensure that the payment is taking place the day before the invoice expires, this to match the required SEPA Direct Debit timeline.
More information about the payment methods supported for the mandate payment and the recurring payments is available here.
