Customers redeeming promo code online1. Customers booking online can click 'Got Promo Code?' button and enter the code.2. Customers can also redeem their promotion code via summary page at the time of of the booking.Administrators redeeming promo code from the backend1. Navigate to the Calendar tab and select or create desired service.2. In the appointment window click Promotion.If it's for classes, in the class window, under 'Clients' tab click scissors icon beside the customer name:3. In the promotions window enter the code and click Redeem button.4. After the code was applied, click Close button and Save the booking.New discounted price will be applied to the booking.