## The log entry has no assigned severity level.
const DEFAULT	=	0;

## Debug or trace information.
const DEBUG	=	100;

## Routine information, such as ongoing status or performance.
const INFO	=	200;

## Normal but significant events, such as start up, shut down, or a configuration change.
const NOTICE	=	300;

## Warning events might cause problems.
const WARNING	=	400;

## Error events are likely to cause problems.
const ERROR	=	500;

## Critical events cause more severe problems or outages.
const CRITICAL	=	600;

## A person must take an action immediately.
const ALERT	=	700;

## One or more systems are unusable.
const EMERGENCY	=	800;