---
title: HKErrorDomain
framework: healthkit
role: symbol
role_heading: Global Variable
path: healthkit/hkerrordomain
---

# HKErrorDomain

The domain for all HealthKit errors.

## Declaration

```swift
let HKErrorDomain: String
```

## See Also

### Errors

- [HKError](healthkit/hkerror.md)
- [HKError.Code](healthkit/hkerror/code.md)