SKStoreProductParameterITunesItemIdentifier
The key representing the iTunes identifier for the item you want the store to display when the view controller is presented.
Declaration
let SKStoreProductParameterITunesItemIdentifier: StringMentioned in
Discussion
The value for this key, an iTunes item identifier, is an instance of NSNumber.
To find a product’s iTunes identifier, go to linkmaker.itunes.apple.com and search for the product, then locate the iTunes identifier in the link URL. For example, the iTunes identifier for the iBooks app is 364709193.