You can apply discounts to an order or to a specific product inside an order directly from your app.
In order to apply a discount or an invitation to a specific product please follow the next steps:
1. Go to "the payment screen" where you will see the list of products on the left.
2. Slide with your finger to the left the product you want to apply the discount/invitation.
3. In the case that you have selected the discount option, it will appear a pop-up in which you can select two options, to apply it with a percentage % or with € amount and select > Apply.
5. If you want to invite, the product will appear in color green indicated that it's already "paid".
6. In the case that you want to cancel the discount/invitation just slide with your finger the product to the left and press > Cancel. 
If you want to create a discount to a whole order, please follow the next steps:
1. In the "payment screen" click on the discount icon (placed down on the right).
2. It will appear a pop-up. Just follow the same steps above.
3. Click on Apply.
4. In the case that you want to cancel it, just slide down with your finger the discount and press > Cancel. 