Merchant wants to have a rule or formula for discounts.

Discount A types is only allowed for food.
Discount B types is only allowed for Beverage.

Discount C types are discounts open to for every item.

As an example now with clover a happy hour discount let’s a manager to freely add a discount to a food which should be a discount for a beverage not food. The owner doesn’t want managers to freely add any discount only to the discounts approved to items attached.