---
title: preferredRate
framework: avfoundation
role: symbol
role_heading: Type Property
path: avfoundation/avpartialasyncproperty/preferredrate
---

# preferredRate

The asset’s rate preference for playing its media.

## Declaration

```swift
static var preferredRate: AVAsyncProperty<Root, Float> { get }
```

## Discussion

Discussion Use the load(_:isolation:) method to retrieve the property value.

## See Also

### Loading asset preferences

- [preferredVolume](avfoundation/avpartialasyncproperty/preferredvolume-20mb3.md)
- [preferredTransform](avfoundation/avpartialasyncproperty/preferredtransform-80d13.md)
- [preferredDisplayCriteria](avfoundation/avpartialasyncproperty/preferreddisplaycriteria.md)
- [AVDisplayCriteria](avfoundation/avdisplaycriteria.md)