---
title: HMErrorDomain
framework: homekit
role: symbol
role_heading: Global Variable
path: homekit/hmerrordomain
---

# HMErrorDomain

A string that identifies the HomeKit error domain.

## Declaration

```swift
let HMErrorDomain: String
```

## See Also

### Errors

- [HMError](homekit/hmerror.md)
- [HMError.Code](homekit/hmerror/code.md)
- [HMErrorBlock](homekit/hmerrorblock.md)