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# paymentAuthorizationViewControllerDidFinish(_:)

Tells the delegate that payment authorization finished.

```
func paymentAuthorizationViewControllerDidFinish(_ controller: PKPaymentAuthorizationViewController)
```

## Parameters

`controller`

The payment authorization view controller.

## Discussion

This delegate method is called every time a payment finishes. A payment may finish because authorization was completed in [`paymentAuthorizationViewController(_:didAuthorizePayment:handler:)`](/documentation/PassKit/PKPaymentAuthorizationViewControllerDelegate/paymentAuthorizationViewController(_:didAuthorizePayment:handler:)), because authorization timed out, or because the user canceled the payment.

> Important:
> Make any needed payment-related updates to your app’s state in this delegate method, especially if the payment is canceled or times out. Also, be sure to call ``doc://com.apple.passkit/documentation/PassKit/PKPaymentAuthorizationController/dismiss(completion:)`` on the payment authorization view controller.

---

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