SKPaymentTransactionState.failed A failed transaction. Declarationcase failed Mentioned inImplementing promotional offers in your appProcessing a transactionTesting an interrupted purchaseTesting In-App Purchases in Xcode DiscussionCheck the error property to determine what happened. See AlsoConstantsSKPaymentTransactionState.purchasingSKPaymentTransactionState.purchasedSKPaymentTransactionState.restoredSKPaymentTransactionState.deferred