---
title: ARErrorDomain
framework: arkit
role: symbol
role_heading: Global Variable
path: arkit/arerrordomain
---

# ARErrorDomain

The domain for error objects produced by an AR session.

## Declaration

```swift
let ARErrorDomain: String
```

## See Also

### Handling Errors

- [session(_:didFailWithError:)](arkit/arsessionobserver/session(_:didfailwitherror:).md)