应用收费细节-AppPricingDetails union
有关每个计划周期向商店收取的价格的信息。
可能的类型
[AppRecurringPricing](https://shopify.dev/docs/admin-api/graphql/reference/billing/apprecurringpricing)
[AppUsagePricing](https://shopify.dev/docs/admin-api/graphql/reference/billing/appusagepricing)