You can always see the data being sent with the "View Actual Data" button in the channel manager.
7) Changes of inventory are pushed to Booking.com instantly. Price changes are sent with the next update. To push price changes immediately to Booking.com press the "Update" buttons.
==Disconnect==
*Unticking "Inventory and Prices" and "Bookings" will stop Beds24 sending data to Booking.com. This will not remove the data from Booking.com and it will still be bookable.
*To completely disconnect the channel manager please contact Booking.com and ask them to disconnect you.