You have the possibility to add special discount/promotions for special period.
In Booking.com you will find them under PROMOTIONS
To add a promotion you need to go in property object-Prices-EXTRA ITEMS
Click on ADD NEW ITEM
It will appeAr a new window. Click on Charge type-DISCOUNT
Add currency and add percentage.
*IMPORTANT: To add a discount percentage MUST be with - SHOWED. In this case as example we made -5!
Add code (only for internal use) and Name.
Choose a calculation type. We, as example, used "By Person by night", but you can different ones (depending what kind of promotion/discount you are making). Calculation type works also for children and Pets.
Add Auto add item and click SAVE
NOTE:
Visible on this location - means that it will apply only for properties on this location (as you can have more properties one one location)
Visible on all locations - means that you will apply this discount to all properties in your myRent account.
Then go to Period and add From-To period (period on which the promotion applies)
Add some Discount type for B.com. This Discount type are pre-given by Booking.
Add Discount type and SAVE. Discount type is pre-given by Booking.com.
Once you are finished they click on sync
and then it should appear in b.com-promotions