Writes a new error to the event log.
            
Namespace: CMS.EventLogAssembly: CMS.EventLog (in CMS.EventLog.dll) Version: 8.0.0.0 (8.1.5347.20411)
Parameters
- source
 - Type: 
System String
Source of the event (Content, Administration, etc.) 
- eventCode
 - Type: 
System String
Event code (UPDATEDOC, SENDEMAIL, DELETE, etc.) 
- ex
 - Type: 
System Exception
Exception to be logged 
- siteId (Optional)
 - Type: 
System Int32
Current site ID 
- additionalMessage (Optional)
 - Type: 
System String
Additional information to the exception message 
- allowMultiple (Optional)
 - Type: 
System Boolean
If true, it is allowed to log this exception multiple times within the application run 
See Also