This is activated whenever the reply of a /who comes in. The parameters for the action are as follows:
$0 The channel the user is on, or 'Channel' for the /who header line. $1 Nickname. $2 Status. (Here, Gone, *Operator, [ @ChannelOperator ]) $3 Username (login name) $4 Host (host machine) $5- Full Name or other User Data.
See Also: on/who