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# canAdd(_:)

Determines whether the asset writer supports adding the input.

```
func canAdd(_ input: AVAssetWriterInput) -> Bool
```

## Parameters

`input`

The asset writer input to add.

## Return Value

<doc://com.apple.documentation/documentation/Swift/true> if you can add the input to the asset writer; otherwise <doc://com.apple.documentation/documentation/Swift/false>.

## Discussion

---

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