Reserve Allotment on Channel Manager is a function that helps to cut the allotment in the Channel Manager while waiting for payment in the Booking Engine (Pending status), To prevent overbooked causes.
When Customer Booked : Status 'Pending', CM Status 'empty'
The hotel clicks 'Reserve Allotment on Cm' to cut an allotment in Channel Manager
After click 'Reserve Allotment on Cm' => Status 'Pending', CM Status 'Success'
However, after the customer has already paid the balance in Booking Engine. The hotel should confirm the booking and send the email to the customer again. : Status 'Confirmed', CM Status 'Success'