---
title: AVCaptureDeviceExposureSignal
framework: AVFoundation
role: symbol
role_heading: Structure
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, tvOS 27.0+]
path: avfoundation/avcapturedeviceexposuresignal
---

# AVCaptureDeviceExposureSignal

Values that can be used to configure the auto exposure system via enabledExposureSignals and associated methods.

## Declaration

```swift
struct AVCaptureDeviceExposureSignal
```

## Topics

### Creating an exposure signal

- [init(rawValue:)](avfoundation/avcapturedeviceexposuresignal/init(rawvalue:).md)

### Exposure signals

- [document](avfoundation/avcapturedeviceexposuresignal/document.md)
- [flicker](avfoundation/avcapturedeviceexposuresignal/flicker.md)
- [groupPhoto](avfoundation/avcapturedeviceexposuresignal/groupphoto.md)
- [starburst](avfoundation/avcapturedeviceexposuresignal/starburst.md)
- [subjectMotion](avfoundation/avcapturedeviceexposuresignal/subjectmotion.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Configuring exposure signals

- [activeExposureSignals](avfoundation/avcapturedevice/activeexposuresignals.md)
- [enabledExposureSignals](avfoundation/avcapturedevice/enabledexposuresignals.md)
- [supportedExposureSignals](avfoundation/avcapturedevice/supportedexposuresignals.md)
- [automaticallyEnablesExposureSignals](avfoundation/avcapturedevice/automaticallyenablesexposuresignals.md)