---
title: HMCharacteristicMetadataUnitsArcDegree
framework: homekit
role: symbol
role_heading: Global Variable
path: homekit/hmcharacteristicmetadataunitsarcdegree
---

# HMCharacteristicMetadataUnitsArcDegree

The unit of the characteristic is the degrees of an arc.

## Declaration

```swift
let HMCharacteristicMetadataUnitsArcDegree: String
```