# subscript(dynamicMember:) Facilitates accessing optional subscription properties on a picker option value. ``` subscript(dynamicMember keyPath: KeyPath) -> T? { get } ``` ## Discussion You don’t use this subscript directly. Instead, access the properties of a [`Product.SubscriptionInfo`](/documentation/StoreKit/Product/SubscriptionInfo) directly on a [`SubscriptionStoreControlStyleConfiguration.PickerOption`](/documentation/StoreKit/SubscriptionStoreControlStyleConfiguration/PickerOption) value. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)