---
title: failureReason
framework: arkit
role: symbol
role_heading: Instance Property
path: arkit/objecttrackingprovider/error/failurereason
---

# failureReason

A localized message that describes the reason for the failure.

## Declaration

```swift
var failureReason: String? { get }
```

## See Also

### Describing an error

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