Besides selling accommodation you can also sell extras and sale items in the Booking Engine. They will appear after the guest has chosen the desired room, as you can see in the image below:




In order to offer extras and sale items in the Booking Engine you have to access Property Settings > Booking Engine > Settings, click on "+ Add Item" and choose among the items you have previously set up in the Item Manager:



Check also:

Setting up sale items for Point of Sale

How to add free items to Extras