The discount_allocation object

The discount_allocation object contains all of the information about how a particular discount affects a line item and how the price reduces. The object can be accessed on customer order and notification templates. Shopify Plus merchants can also access properties of the discount_allocation object in the checkout.liquid layout file.

The discount_allocation object has the following attributes:

discount_allocation.amount

The discounted amount on a line item by a particular discount.

discount_allocation.discount_application

The discount application that allocates the amount on the line item.