---
title: frameDuration
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avvideocomposition/frameduration
---

# frameDuration

A time interval for which the video composition should render composed video frames.

## Declaration

```swift
var frameDuration: CMTime { get }
```

## See Also

### Inspecting the video composition

- [renderSize](avfoundation/avvideocomposition/rendersize.md)
- [renderScale](avfoundation/avvideocomposition/renderscale.md)
- [animationTool](avfoundation/avvideocomposition/animationtool.md)
- [colorPrimaries](avfoundation/avvideocomposition/colorprimaries.md)
- [colorTransferFunction](avfoundation/avvideocomposition/colortransferfunction.md)
- [colorYCbCrMatrix](avfoundation/avvideocomposition/colorycbcrmatrix.md)
- [customVideoCompositorClass](avfoundation/avvideocomposition/customvideocompositorclass.md)
- [outputBufferDescription](avfoundation/avvideocomposition/outputbufferdescription-3ayt8.md)
- [spatialVideoConfigurations](avfoundation/avvideocomposition/spatialvideoconfigurations-80iab.md)
- [AVSpatialVideoConfiguration](avfoundation/avspatialvideoconfiguration-swift.struct.md)