The key to lookup in the event properties and then match against.
Namespace: log4net.FilterAssembly: log4net (in log4net.dll) Version: 1.2.15.0 (1.2.15.0)
Syntax
Property Value
Type: StringRemarks
The key name to use to lookup in the properties map of the LoggingEvent. The match will be performed against the value of this property if it exists.
See Also