---
title: AVAssetDownloadTaskPrefersHDRKey
framework: avfoundation
role: symbol
role_heading: Global Variable
path: avfoundation/avassetdownloadtaskprefershdrkey
---

# AVAssetDownloadTaskPrefersHDRKey

A key that indicates whether the task downloads HDR instead of SDR video, when available.

## Declaration

```swift
let AVAssetDownloadTaskPrefersHDRKey: String
```

## Discussion

Discussion By default, a download task prefers downloading HDR content. Provide a Boolean value of false to change this behavior.

## See Also

### Download option keys

- [AVAssetDownloadTaskMinimumRequiredMediaBitrateKey](avfoundation/avassetdownloadtaskminimumrequiredmediabitratekey.md)
- [AVAssetDownloadTaskMinimumRequiredPresentationSizeKey](avfoundation/avassetdownloadtaskminimumrequiredpresentationsizekey.md)
- [AVAssetDownloadTaskMediaSelectionKey](avfoundation/avassetdownloadtaskmediaselectionkey.md)
- [AVAssetDownloadTaskMediaSelectionPrefersMultichannelKey](avfoundation/avassetdownloadtaskmediaselectionprefersmultichannelkey.md)
- [AVAssetDownloadTaskPrefersLosslessAudioKey](avfoundation/avassetdownloadtaskpreferslosslessaudiokey.md)