---
title: shouldMatchFrameRate
framework: AVFoundation
role: symbol
role_heading: Instance Property
platforms: [iOS 26.0+, iPadOS 26.0+, Mac Catalyst 26.0+, macOS 26.0+, tvOS 26.0+]
path: avfoundation/avcaptureexternaldisplayconfiguration/shouldmatchframerate
---

# shouldMatchFrameRate

A property indicating whether the frame rate of the external display should be configured to match the camera’s frame rate.

## Declaration

```swift
var shouldMatchFrameRate: Bool { get set }
```

## Discussion

Discussion If you want to configure your AVCaptureVideoPreviewLayer to match its source activeVideoMinFrameDuration, set shouldMatchFrameRate to true. The default value is false.

## See Also

### Modifying the configuration

- [bypassColorSpaceConversion](avfoundation/avcaptureexternaldisplayconfiguration/bypasscolorspaceconversion.md)
- [preferredResolution](avfoundation/avcaptureexternaldisplayconfiguration/preferredresolution.md)