help: Set logging level
type: txt
syntax:expression: $VAR(@) in "alert", "crit", "debug", "emerg", "err", "info", "notice", "warning" ; "must be one of the following: crit, debug, emerg, err, info, notice, warning"
comp_help: Logging levels in descending order of severity:
 emerg		           Emergency messages
 alert        		   Urgent messages
 crit         		   Critical messages 
 err          		   Error messages
 warning      		   Warning messages
 notice       		   Messages for further investigation
 info         		   Informational messages
 debug        		   Debug messages
