---
title: MTRSmokeCOAlarmExpressedState
framework: matter
role: symbol
role_heading: Enumeration
path: matter/mtrsmokecoalarmexpressedstate
---

# MTRSmokeCOAlarmExpressedState

## Declaration

```swift
enum MTRSmokeCOAlarmExpressedState
```

## Topics

### Enumeration Cases

- [MTRSmokeCOAlarmExpressedState.batteryAlert](matter/mtrsmokecoalarmexpressedstate/batteryalert.md)
- [MTRSmokeCOAlarmExpressedState.coAlarm](matter/mtrsmokecoalarmexpressedstate/coalarm.md)
- [MTRSmokeCOAlarmExpressedState.endOfService](matter/mtrsmokecoalarmexpressedstate/endofservice.md)
- [MTRSmokeCOAlarmExpressedState.hardwareFault](matter/mtrsmokecoalarmexpressedstate/hardwarefault.md)
- [MTRSmokeCOAlarmExpressedState.interconnectCO](matter/mtrsmokecoalarmexpressedstate/interconnectco.md)
- [MTRSmokeCOAlarmExpressedState.interconnectSmoke](matter/mtrsmokecoalarmexpressedstate/interconnectsmoke.md)
- [MTRSmokeCOAlarmExpressedState.normal](matter/mtrsmokecoalarmexpressedstate/normal.md)
- [MTRSmokeCOAlarmExpressedState.smokeAlarm](matter/mtrsmokecoalarmexpressedstate/smokealarm.md)
- [MTRSmokeCOAlarmExpressedState.testing](matter/mtrsmokecoalarmexpressedstate/testing.md)

### Initializers

- [init(rawValue:)](matter/mtrsmokecoalarmexpressedstate/init(rawvalue:).md)

## Relationships

### Conforms To

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