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# previousChannelInterstitialViewController(for:)

Asks the delegate for a view controller that describes the layout of the previous channel’s interstitial view.

```
optional func previousChannelInterstitialViewController(for playerViewController: AVPlayerViewController) -> UIViewController
```

## Parameters

`playerViewController`

The player view controller.

## Discussion

The framework calls this method when the user initiates, but hasn’t yet committed, a change in channel. The framework may call this method while a previous channel’s interstitial view is visible (on screen, or transitioning).

> Important:
> Only live video streams support channel skipping. This feature isn’t supported for VOD streams or local media.

---

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