---
title: MXCrashDiagnosticObjectiveCExceptionReason
framework: metrickit
role: symbol
role_heading: Class
path: metrickit/mxcrashdiagnosticobjectivecexceptionreason
---

# MXCrashDiagnosticObjectiveCExceptionReason

An object that represents the exception reason for an uncaught ObjC exception.

## Declaration

```swift
class MXCrashDiagnosticObjectiveCExceptionReason
```

## Overview

Overview The crash report for an uncaught Objective-C NSException can contain detailed information about the type, name and description of the exception object. Use the properties and methods on MXCrashDiagnosticObjectiveCExceptionReason to access this information.

## Topics

### Generating a report

- [dictionaryRepresentation()](metrickit/mxcrashdiagnosticobjectivecexceptionreason/dictionaryrepresentation().md)
- [jsonRepresentation()](metrickit/mxcrashdiagnosticobjectivecexceptionreason/jsonrepresentation().md)

### Reading the data

- [arguments](metrickit/mxcrashdiagnosticobjectivecexceptionreason/arguments.md)
- [className](metrickit/mxcrashdiagnosticobjectivecexceptionreason/classname.md)
- [composedMessage](metrickit/mxcrashdiagnosticobjectivecexceptionreason/composedmessage.md)
- [exceptionName](metrickit/mxcrashdiagnosticobjectivecexceptionreason/exceptionname.md)
- [exceptionType](metrickit/mxcrashdiagnosticobjectivecexceptionreason/exceptiontype.md)
- [formatString](metrickit/mxcrashdiagnosticobjectivecexceptionreason/formatstring.md)

### Initializers

- [init(coder:)](metrickit/mxcrashdiagnosticobjectivecexceptionreason/init(coder:).md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSSecureCoding](foundation/nssecurecoding.md)

## See Also

### Supporting types

- [MXCallStackTree](metrickit/mxcallstacktree.md)
- [MXMetaData](metrickit/mxmetadata.md)
- [MXAverage](metrickit/mxaverage.md)
- [MXHistogram](metrickit/mxhistogram.md)
- [MXHistogramBucket](metrickit/mxhistogrambucket.md)
- [MXDiagnostic](metrickit/mxdiagnostic.md)
- [MXMetric](metrickit/mxmetric.md)
- [MXError](metrickit/mxerror.md)
- [MXError.Code](metrickit/mxerror/code.md)
- [MXErrorDomain](metrickit/mxerrordomain.md)
- [MXSignpostRecord](metrickit/mxsignpostrecord.md)
- [MXUnitAveragePixelLuminance](metrickit/mxunitaveragepixelluminance.md)
- [MXUnitSignalBars](metrickit/mxunitsignalbars.md)