---
title: HMCharacteristicValueCarbonMonoxideDetectionStatus.detected
framework: homekit
role: symbol
role_heading: Case
path: homekit/hmcharacteristicvaluecarbonmonoxidedetectionstatus/detected
---

# HMCharacteristicValueCarbonMonoxideDetectionStatus.detected

Abnormally high levels of carbon monoxide are present.

## Declaration

```swift
case detected
```

## See Also

### Carbon Monoxide Levels

- [HMCharacteristicValueCarbonMonoxideDetectionStatus.notDetected](homekit/hmcharacteristicvaluecarbonmonoxidedetectionstatus/notdetected.md)