# Unreal Logging

Command line example

```
-LogCmds="global Verbose, LogPython Verbose, LogAnimMontage off, LogDeepDriveAgent VeryVerbose"
```

In DefaultEngine.ini or Engine.ini:

```
[Core.Log]
global=[default verbosity for things not listed later]
[cat]=[level]
foo=verbose break
```

## Our log categories

```
Defined with DEFINE_LOG_CATEGORY macro
```

```
LogSunSimulationComponentLogSunLightSimulator
LogDeepDriveAgentControllerBase
LogDeepDriveAgentSteeringController
LogDeepDriveAgent
LogDeepDriveSimulationServer
LogDeepDriveConnectionThread
LogDeepDriveAgentLocalAIController
LogDeepDriveAgentSpeedController
LogDeepDriveSimulationCaptureProxy
LogDeepDriveSimulationMessageHandler
LogDeepDriveSimulationServerProxy
LogDeepDriveSimulation
LogDeepDriveSplineTrack
LogSharedMemCaptureMessageBuilder
LogSharedMemCaptureSinkWorkerLogSharedMemCaptureSinkWorker
LogSharedMemCaptureSinkComponent
DeepDriveCaptureProxy
DeepDriveCaptureComponent
LogDeepDriveCapture
LogCaptureBufferPool
LogDeepDriveConnectionListener
LogDeepDriveClientConnection
LogDeepDriveServer
LogDeepDrivePlugin
LogSharedMemoryImpl_Linux
LogPython
```

## Verbosities

Fatal

```
Fatal level logs are always printed to console and log files and crashes even if logging is disabled.
```

Error

```
Error level logs are printed to console and log files. These appear red by default.
```

Warning

```
Warning level logs are printed to console and log files. These appear yellow by default.
```

Display

```
Display level logs are printed to console and log files.
```

Log

```
Log level logs are printed to log files but not to the in-game console. They can still be viewed in editor as they appear via the Output Log window.
```

Verbose

```
Verbose level logs are printed to log files but not the in-game console. This is usually used for detailed logging and debugging.
```

VeryVerbose

```
VeryVerbose level logs are printed to log files but not the in-game console. This is usually used for very detailed logging that would otherwise spam output.
```