This article explains how to apply promotion to specific items from Serve. You can use either amount or percentage type discounts, such as:

• Apply 10% discount for item Garlic Bread
• Apply $5 discount for item Espresso Martini

How to apply promotion to specific items

1. Add your product from Serve to Reward (see How to add single products to Reward). If you'd like to add multiple products, create a static collection (see How to create static collections)
2. Create your voucher until you reach the Discount value tab.
3. Select your discount value (Amount Type or Percentage Type)
4. Under Apply discount to, select Items
5. Scroll down until you see Validation rules and select New
   
6. Choose to discount Selected order line item(s)
7. Click on Add items
8. Under "For items in", click on Select
9. If you'd like to add a single item, click on the item you have added to Reward. If you'd like to add multiple items, switch tab to Collections and select the static collection you have created.
10. If you used a static collection, you can choose to apply discount to all, cheapest or most expensive option in the cart