---
title: MXErrorDomain
framework: metrickit
role: symbol
role_heading: Global Variable
path: metrickit/mxerrordomain
---

# MXErrorDomain

Error domain for error values from app metrics.

## Declaration

```swift
let MXErrorDomain: String
```

## 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)
- [MXCrashDiagnosticObjectiveCExceptionReason](metrickit/mxcrashdiagnosticobjectivecexceptionreason.md)
- [MXSignpostRecord](metrickit/mxsignpostrecord.md)
- [MXUnitAveragePixelLuminance](metrickit/mxunitaveragepixelluminance.md)
- [MXUnitSignalBars](metrickit/mxunitsignalbars.md)