---
title: anchor
framework: arkit
role: symbol
role_heading: Instance Property
path: arkit/worldtrackingprovider/error/anchor
---

# anchor

The anchor that caused a world-tracking error.

## Declaration

```swift
let anchor: WorldAnchor?
```

## See Also

### Inspecting world-tracking errors

- [code](arkit/worldtrackingprovider/error/code-swift.property.md)
- [WorldTrackingProvider.Error.Code](arkit/worldtrackingprovider/error/code-swift.enum.md)
- [errorDescription](arkit/worldtrackingprovider/error/errordescription.md)