1. Tap the Discount option to apply a discount.
2. This can either be a preconfigured discount or a custom discount.
3. For example, you might comp an item by 100%.
4. Tap the desired discount. It will appear in the Current Discount(s) section and indicate the amount discounted.
5. Tap Save.
6. You may be prompted to enter a Manager Confirmation Code to process the discount. If so, find a manager or admin and have him/her enter his/her code. You should not have a manager or admin login and add the discount him/herself.
7. You will see the amounted discounted below the menu item along with how much the discounted item will bill for.