--- title: SubscriptionBillingCycleSelector - Customer API description: The input fields to select a SubscriptionBillingCycle by either date or index. api_version: 2026-01 api_name: customer type: input-object api_type: graphql source_url: html: >- https://shopify.dev/docs/api/customer/latest/input-objects/SubscriptionBillingCycleSelector md: >- https://shopify.dev/docs/api/customer/latest/input-objects/SubscriptionBillingCycleSelector.md --- # Subscription​Billing​Cycle​Selector input\_object The input fields to select a SubscriptionBillingCycle by either date or index. ## Fields * date * index *** ## Input objects using this input * *** ## Map ### Input objects using this input * [Subscription​Billing​Cycle​Input.selector](https://shopify.dev/docs/api/customer/latest/input-objects/SubscriptionBillingCycleInput#fields-selector)