promotionalOffer(_:compactJWS:)
Apply a promotional offer to a purchase.
Declaration
@backDeployed(before: iOS 26.0, macOS 26.0, tvOS 26.0, watchOS 26.0, visionOS 26.0)
static func promotionalOffer(_ offerID: String, compactJWS: String) -> [Product.PurchaseOption]Parameters
- offerID:
The
idproperty of theSubscriptionOfferto apply. - compactJWS:
The JWS signature used to validate a promotional offer.