---
title: HMCharacteristicValueCarbonDioxideDetectionStatus.detected
framework: homekit
role: symbol
role_heading: Case
path: homekit/hmcharacteristicvaluecarbondioxidedetectionstatus/detected
---

# HMCharacteristicValueCarbonDioxideDetectionStatus.detected

Abnormally high levels of carbon dioxide are present.

## Declaration

```swift
case detected
```

## See Also

### Carbon Dioxide Levels

- [HMCharacteristicValueCarbonDioxideDetectionStatus.notDetected](homekit/hmcharacteristicvaluecarbondioxidedetectionstatus/notdetected.md)