log4net SDK Documentation - Microsoft .NET Framework 4.0

LoggingEvent.IdentityProperty Field

The key into the Properties map for the thread identity value.

[Visual Basic]
Public Const IdentityProperty As String = "log4net:Identity"
[C#]
public const string IdentityProperty = "log4net:Identity";

See Also

LoggingEvent Class | log4net.Core Namespace