m Conversion Character

Writes the messages that are associated with the log event.
Alias: message
Default: None
Requirement: If the prefix identifier is used, it must be closed in a pair of braces.


m [ {prefix-identifier} ]

Required Argument

specifies an optional identifier to precede all lines after the first line. The following are valid values for prefix-identifier:
HYPHEN inserts a hyphen (-) before each message.
PLUS inserts a plus sign (+) before each message.


When the message is more than one line long, all lines are written. When a prefix identifier is specified, all lines after the first line are preceded by the prefix identifier.