Pay later option
If you have Pay later option enabled in Booking.com, Virtual cards will be created with 0 balance. To know chargeable amount, you should check Booking.com extranet and charge it in Mews when VCC gets activated.
Optional Products (Booking.com Addons)
Here you can find a list of available products that Booking.com allows to create as addons. Please reach out to their support team or your Booking.com account manager for help in adding those in their extranet. Once those have been created, you can continue with the below steps.
Step 1: Map the products
In the Booking.com integration settings, click Channel manager products.
Under Channel manager ID, enter the number for the specific addon product from the list above.
Under Product, choose the product you want to map.
Repeat steps 3-5 for every product that you have available in Booking.com