Add a mapping of level to severity
            
Namespace: log4net.Appender
Assembly: log4net (in log4net.dll) Version: 2.0.8.0-.NET 4.0
Syntax
Parameters
- mapping
 - Type: log4net.AppenderLocalSyslogAppenderLevelSeverity
The mapping to add 
Remarks
Adds a LocalSyslogAppenderLevelSeverity to this appender.
See Also