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# assetListResponseStatusDidChangeNotification

A notification the system posts when the status of an interstitial event’s asset list response changes.

```
class let assetListResponseStatusDidChangeNotification: NSNotification.Name
```

## Discussion

Notifications of this type provide a <doc://com.apple.documentation/documentation/Foundation/Notification/userInfo> dictionary that can contain values for the keys listed below.

## Topics

### User information keys

[`assetListResponseStatusDidChangeEventKey`](/documentation/AVFoundation/AVPlayerInterstitialEventMonitor/assetListResponseStatusDidChangeEventKey)

A key to retrieve the interstitial event that has an asset list response status change.

[`assetListResponseStatusDidChangeStatusKey`](/documentation/AVFoundation/AVPlayerInterstitialEventMonitor/assetListResponseStatusDidChangeStatusKey)

A key to retrieve the asset list response status.

[`assetListResponseStatusDidChangeErrorKey`](/documentation/AVFoundation/AVPlayerInterstitialEventMonitor/assetListResponseStatusDidChangeErrorKey)

A key to retrieve the error related to a change in an interstitial event’s asset list response.


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