Generally, order discount also called order discount function or order promotion function. It is a discount based on the order size or the amount spent by a buyer. The discount function can separate as four categories ： Spend/Quantity/Buy one, get one/No minimum purchase   

'Spend' is a type of cashback promotion. It includes the following three situations：1) Buy a specific amount and get a specific amount reduction; 2) Buy a specific amount and get a specific percentage discount; 3) If you buy a specific amount, and attain the particular level, you can receive a specific amount reduction

'Quantity' is another type of cashback promotion. It includes the following three situations ：1) Buy a specific quantity and get a specific amount reduction; 2) Buy a specific quantity and get a specific percentage discount; 3)  If you buy a specific quantity, and attain the particular level, you can receive a specific amount reduction

'Buy one, get one' is a type of discount. It includes the following four situations ：1) Buy one get one free; 2) Buy one get a percentage of discount for another one; 3) Buy one get one free (Only can use once for each order); 4) Buy one get a percentage of discount for another one (Only can use once for each order).

'No minimum purchase' promotion includes the following three situations：1) Buy one or more can save a specific amount; 2) Enjoy a specific percentage of discount; 3) Singal product provides a specific amount discount. The buyer can choose a suitable promotion according to their needs.  

Let's use Spend to be an example. 

We can choose 'save$10 when you spend $100'. This means that when the buyer purchases such products at a time of 100 USD, he/she can enjoy the 10 USD reduction immediately.

The specific introduction can refer to：

https://www.ebay.com/help/selling/selling-tools/promotions-manager?id=4094#section1

Reference for use： https://ir.ebaystatic.com/pictures/aw/pics/sc/stores/Order-Discount-Tutorial-v5.pdf

1. Go to Tools>Scheduler>eBay Promotion Manager and click <Create a new promotion>

Promotion Type：Order discount 
Promotion Name：Name the activity (visible for internal) 
Promotion Description：Description of the promotion（visible for external）
Promotion Discount Type：Select one of the promotion discounts 
Promotion discount Detail：The setting of discount 
Promotion Time：The starting and ending time of promotion

2. After the setting, click <Save> and go to <Datasheet> to select the listing to be assigned  

3. After assigning the listing, you need to go to Tools>Job Manager to see the assignment result.