---
title: perFrameHDRDisplayMetadataPolicy
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avmutablevideocomposition/perframehdrdisplaymetadatapolicy
---

# perFrameHDRDisplayMetadataPolicy

Configures the policy for display of HDR display metadata on the rendered frame.

## Declaration

```swift
var perFrameHDRDisplayMetadataPolicy: AVVideoComposition.PerFrameHDRDisplayMetadataPolicy { get set }
```

## Discussion

Discussion Allows the system to identify situations where it can generate HDR metadata and attach it to the rendered video frame. The default value is propagate, which indicates the system propagates any HDR metadata attached to the composed frame to the rendered video frames.

## See Also

### Configuring HDR metadata

- [AVVideoComposition.PerFrameHDRDisplayMetadataPolicy](avfoundation/avvideocomposition/perframehdrdisplaymetadatapolicy-swift.struct.md)