Requires Apps must have access scope.
The type used to target the items required for discount eligibility, or the items to which the application of a discount might apply. For example, for a customer to be eligible for a discount, they're required to add an item from a specified collection to their order. Alternatively, a customer might be required to add a specific product or product variant. When using this type to target which items the discount will apply to, the discount might apply to all items on the order, or to specific products and product variants, or items in a given collection.
Possible types
Targets all items the cart for a specified discount.
A list of collections that the discount can have as a prerequisite or a list of collections to which the discount can be applied.
A list of products and product variants that the discount can have as a prerequisite or a list of products and product variants to which the discount can be applied.
Fields with this union
The items required for the discount to be applicable.
The items to which the discount applies.