---
title: isExposureRectOfInterestSupported
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcapturedevice/isexposurerectofinterestsupported
---

# isExposureRectOfInterestSupported

Whether the device supports exposure rectangles of interest.

## Declaration

```swift
var isExposureRectOfInterestSupported: Bool { get }
```

## Discussion

Discussion You may only set the device’s exposureRectOfInterest property if this property returns true.

## See Also

### Setting an exposure rectangle of interest

- [exposureRectOfInterest](avfoundation/avcapturedevice/exposurerectofinterest.md)
- [minExposureRectOfInterestSize](avfoundation/avcapturedevice/minexposurerectofinterestsize.md)
- [defaultRectForExposurePoint(ofInterest:)](avfoundation/avcapturedevice/defaultrectforexposurepoint(ofinterest:).md)