---
title: MTRCarbonMonoxideConcentrationMeasurementMeasurementUnit.MGM3
framework: matter
role: symbol
role_heading: Case
path: matter/mtrcarbonmonoxideconcentrationmeasurementmeasurementunit/mgm3
---

# MTRCarbonMonoxideConcentrationMeasurementMeasurementUnit.MGM3

## Declaration

```swift
case MGM3
```