---
title: preferredVolume
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avmutablecompositiontrack/preferredvolume
---

# preferredVolume

The volume the track prefers for its audible media data.

## Declaration

```swift
var preferredVolume: Float { get set }
```

## Discussion

Discussion If not set, the value is 1.0.

## See Also

### Configuring track properties

- [isEnabled](avfoundation/avmutablecompositiontrack/isenabled.md)
- [naturalTimeScale](avfoundation/avmutablecompositiontrack/naturaltimescale.md)
- [languageCode](avfoundation/avmutablecompositiontrack/languagecode.md)
- [extendedLanguageTag](avfoundation/avmutablecompositiontrack/extendedlanguagetag.md)
- [preferredTransform](avfoundation/avmutablecompositiontrack/preferredtransform.md)