You can give a custom discount to your customers from your Bookeo back-end.
1. Go to your Bookeo Calendar
2. Click on the booking to open it
3. Go to the Booking tab, and click on the Add button after Additional items/adjustments. A pop-up window will open.
4. Input a description of the discount in the Description  field and a negative unit price, for example, -55 in the Unit price  field.