Here's what I was able to find for you. Hope it helps!
- Open the Order discounts application.
- To add a new discount, click New order discount. To edit an existing discount, click Edit () next to the given discount.
- Set the discount's properties (view the properties on this page: https://docs.kentico.com/k11/e-commerce-features/managing-your-store/discounts/working-with-order-discounts
- Click Save.
- If you have enabled the Customer has to redeem a coupon to get the discount option, switch to the Coupons tab and generate coupon codes. See Working with coupon codes for more information.
Your pal and fellow Kentican, Yoyo Bubs