--- title: SellingPlanInterval - Storefront API description: Represents a valid selling plan interval. api_version: unstable api_name: storefront source_url: html: 'https://shopify.dev/docs/api/storefront/unstable/enums/SellingPlanInterval' md: >- https://shopify.dev/docs/api/storefront/unstable/enums/SellingPlanInterval.md --- # Selling​Plan​Interval enum Represents a valid selling plan interval. ## Valid values * DAY Day interval. * MONTH Month interval. * WEEK Week interval. * YEAR Year interval. *** ## Fields * [Selling​Plan​Recurring​Billing​Policy.interval](https://shopify.dev/docs/api/storefront/unstable/objects/SellingPlanRecurringBillingPolicy#field-SellingPlanRecurringBillingPolicy.fields.interval) OBJECT The recurring billing policy for the selling plan. * [Selling​Plan​Recurring​Delivery​Policy.interval](https://shopify.dev/docs/api/storefront/unstable/objects/SellingPlanRecurringDeliveryPolicy#field-SellingPlanRecurringDeliveryPolicy.fields.interval) OBJECT The recurring delivery policy for the selling plan. *** ## Map ### Fields with this enum * <-|[Selling​Plan​Recurring​Billing​Policy.interval](https://shopify.dev/docs/api/storefront/unstable/objects/SellingPlanRecurringBillingPolicy#field-SellingPlanRecurringBillingPolicy.fields.interval) * <-|[Selling​Plan​Recurring​Delivery​Policy.interval](https://shopify.dev/docs/api/storefront/unstable/objects/SellingPlanRecurringDeliveryPolicy#field-SellingPlanRecurringDeliveryPolicy.fields.interval)