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# paymentAuthorizationViewControllerWillAuthorizePayment(_:)

Tells the delegate that the user is authorizing the payment request.

```
optional func paymentAuthorizationViewControllerWillAuthorizePayment(_ controller: PKPaymentAuthorizationViewController)
```

## Parameters

`controller`

The payment authorization view controller.

## Discussion

This method is called before the payment request is authorized but after the user has authenticated by using either a passcode, Touch ID, or Face ID.

## See Also

  [Wallet Developer Guide](https://developer.apple.com/library/archive/documentation/UserExperience/Conceptual/PassKit_PG/index.html#//apple_ref/doc/uid/TP40012195)


---

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