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# NFCWindowSceneDelegate

A protocol to notify your app’s user interface about NFC-related events.

```
protocol NFCWindowSceneDelegate
```

## Overview

When the device is eligible to receive NFC-related events, use this protocol to update your user interface. The received [`NFCWindowSceneEvent`](/documentation/CoreNFC/NFCWindowSceneEvent) indicates whether the event represents the presence of a card reader or a gesture to initiate a contactless transaction by the person using the app.

You typically add conformance to this protocol in your app’s main scene delegate, where you already conform to <doc://com.apple.documentation/documentation/UIKit/UIWindowSceneDelegate>.

## Topics

### Handling events

[`func windowScene(UIWindowScene, didReceiveNFCWindowSceneEvent: NFCWindowSceneEvent)`](/documentation/CoreNFC/NFCWindowSceneDelegate/windowScene(_:didReceiveNFCWindowSceneEvent:))

Informs your app that the system has received an NFC-related event.

[`enum NFCWindowSceneEvent`](/documentation/CoreNFC/NFCWindowSceneEvent)

An NFC-related event that your app uses to update its user interface.


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