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# videoComposition(_:shouldContinueValidatingAfterFindingInvalidValueForKey:)

Reports that a key that has an invalid value.

```
optional func videoComposition(_ videoComposition: AVVideoComposition, shouldContinueValidatingAfterFindingInvalidValueForKey key: String) -> Bool
```

## Parameters

`videoComposition`

The video composition being validated.

`key`

The key being validated.

## Return Value

<doc://com.apple.documentation/documentation/Swift/true> if the video composition should continue validation in order to report additional problems that may exist, otherwise <doc://com.apple.documentation/documentation/Swift/false>.

## Discussion

---

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