If you have a situation where you want to reward a customer and give him/her a quick discount, you can do this before finalizing the order.
From Ebriza POS, you will need to click on the circle next to the total amount and select payment options.
From the payment options you can choose to add a quick discount.
From here you can choose if you want the discount to be a percentage or a specific amount, by clicking on the % icon.
Click Save and the Discount will be added to the order.
You might require a manager password to authorize this discount.