To apply a Discount to the Check:
Select the icon available at the bottom of the Menu screen.
On the Check Options screen, select the Discount option. The Discounts window appears, with options for All, Item Discount, and Check Discount.
Note: Options for Open Item and Open Check will appear here if they're configured.

Select a Discount by tapping on it. That Discount will be applied and appear on the Order screen, below Subtotal and Tax.
Note: for more information on how a Discount will be applied, see the Discount related articles in the Knowledge Base.

Note: Only Employees with the proper Role and Permission settings have access to apply Discounts. Other Employee must provide a Manager’s PIN to apply a Discount. If you do not see a Discount, it may be an availability issue or an Employee Discount.