折扣的价值及其应用方式-SubscriptionDiscountValue union

折扣的价值及其应用方式。

可能的类型

• [SubscriptionDiscountFixedAmountValue](https://shopify.dev/docs/admin-api/graphql/reference/orders/subscriptiondiscountfixedamountvalue)
• [SubscriptionDiscountPercentageValue](https://shopify.dev/docs/admin-api/graphql/reference/orders/subscriptiondiscountpercentagevalue)