For manually added bookings the CVV number is required for the card to work in the Pay Button.
- In Charges & Payments" choose Add Card
- The "Require CVC number is chosen by default. The CVC number must be added in order for the payment to go through the Pay Button.
- If Enable 3 Secure is chosen, the cardholder gets an SMS where he will need to insert his password to confirm that the card can be charged for the booking.