| Name | Description | |
|---|---|---|
 | Caption | The simple caption string for this log message. |
| CategoryName | The dot-delimited hierarchical category for this log message. |
| ClassName | The full name of the class containing this method which originated the log message, unless unavailable. (Can be null or empty.) |
| Description | The longer description for this log message. |
| Details | The optional details XML for this log message (as a string). (Or null if none.) |
| DomainId | The application domain identifier of the app domain which originated this log message. |
| DomainName | The friendly name of the app domain which originated this log message. |
| Exception | The information about any Exception attached to this log message. (Or null if none.) |
| FileName | The full path to the file containing this definition of the method which originated the log message, if available. (Can be null or empty.) |
| HasException | Whether or not this log message includes attached Exception information. |
| HasMethodInfo | Indicates if the class name and method name are available. |
| HasSourceLocation | Indicates if the file name and line number are available. |
| HasThreadInfo | Indicates if the log message has related thread information. If false, some calls to thread information may throw exceptions. |
| Id | A Guid identifying this log message, unique across all sessions. |
| IsBackground | Indicates whether the thread which originated this log message is a background thread. |
| IsThreadPoolThread | Indicates whether the thread which originated this log message is a Thread Pool thread. |
| LineNumber | The line number in the file at which the this message originated, if available. |
| LogSystem | The log system which issued this log message. |
| MethodName | The name of the method which originated this log message, unless unavailable. (Can be null or empty.) |
| Sequence | The sequence number assigned to this log message, unique within this session. |
| Session | The session this log message refers to |
| Severity | The severity of this log message (from Critical to Verbose). |
| ThreadId | The Managed Thread Id of the thread which originated this log message. |
| ThreadName | The name of the thread which originated this log message. |
| Timestamp | The timestamp of this log message. |
| UserName | The user name associated with this log message (often just the user who started the process). |