Usage: logadd loglevel={1-4} logmsg={text}

Writes a custom entry into the servers log. Depending on your permissions, 
you'll be able to add entries into the server instance log and/or your virtual 
servers log. The loglevel parameter specifies the type of the entry.

Example:
   logadd loglevel=4 logmsg=Informational\smessage!
   error id=0 msg=ok