# init(productIdentifiers:) Initializes the request with the set of product identifiers. ``` init(productIdentifiers: Set) ``` ## Parameters `productIdentifiers` The list of product identifiers for the products you wish to retrieve descriptions of. ## Return Value The initialized request object. ## See Also [In-App Purchase Programming Guide](https://developer.apple.com/library/archive/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Introduction.html#//apple_ref/doc/uid/TP40008267) --- 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)