# SubscriptionBillingCyclesSortKeys - customer - ENUM Version: 2025-01 ## Description The set of valid sort keys for the SubscriptionBillingCycles query. ### Access Scopes ## Enum values * [CYCLE_END_AT](/docs/api/customer/2025-01/enums/CYCLE_END_AT) * [CYCLE_INDEX](/docs/api/customer/2025-01/enums/CYCLE_INDEX) * [ID](/docs/api/customer/2025-01/enums/ID) * [RELEVANCE](/docs/api/customer/2025-01/enums/RELEVANCE) ## Fields with this enum * [SubscriptionContract.upcomingBillingCycles](/docs/api/customer/2025-01/arguments/SubscriptionContract) ## Examples