---
title: exceptionReason
framework: metrickit
role: symbol
role_heading: Instance Property
path: metrickit/crashdiagnostic/exceptionreason
---

# exceptionReason

The exception reason for an uncaught ObjC exception.

## Declaration

```swift
let exceptionReason: CrashDiagnostic.ObjectiveCExceptionReason?
```

## See Also

### Exception details

- [exceptionType](metrickit/crashdiagnostic/exceptiontype.md)
- [exceptionCode](metrickit/crashdiagnostic/exceptioncode.md)
- [signal](metrickit/crashdiagnostic/signal.md)
- [virtualMemoryRegionInfo](metrickit/crashdiagnostic/virtualmemoryregioninfo.md)