---
title: MXAppLaunchDiagnostic
framework: metrickit
role: symbol
role_heading: Class
path: metrickit/mxapplaunchdiagnostic
---

# MXAppLaunchDiagnostic

A diagnostic subclass that encapsulates app launch diagnostic reports.

## Declaration

```swift
class MXAppLaunchDiagnostic
```

## Topics

### Reading app launch metrics

- [callStackTree](metrickit/mxapplaunchdiagnostic/callstacktree.md)
- [launchDuration](metrickit/mxapplaunchdiagnostic/launchduration.md)

## Relationships

### Inherits From

- [MXDiagnostic](metrickit/mxdiagnostic.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

### Performance diagnostics

- [MXCPUExceptionDiagnostic](metrickit/mxcpuexceptiondiagnostic.md)
- [MXCrashDiagnostic](metrickit/mxcrashdiagnostic.md)
- [MXHangDiagnostic](metrickit/mxhangdiagnostic.md)
- [MXDiskWriteExceptionDiagnostic](metrickit/mxdiskwriteexceptiondiagnostic.md)