最低折扣要求-DiscountMinimumRequirement union

折扣的最低小计或数量要求。

可能的类型

• [DiscountMinimumQuantity](https://shopify.dev/docs/admin-api/graphql/reference/discounts-and-marketing/discountminimumquantity)
• [DiscountMinimumSubtotal](https://shopify.dev/docs/admin-api/graphql/reference/discounts-and-marketing/discountminimumsubtotal)