Did you ever checked out the offical Messenger Plus! pages?
http://www.msgplus.net/help.php
Did you ever checked out your Messenger Plus! preferences?
Plus > Preferences > Message Helpers > Quick Texts > Quick-Text Number 1
The slap-command (
/slap) is a default example of a
Quicktext using the
action message-command
/me. The slap-command is put into Messenger Plus! as an example the first time you install Plus! and it can/will be overwritten if you define quicktexts for yourself....
All commands supported by Messenger Plus!:
http://www.msgplus.net/help_cmdtag.php
Basicly, read all the
help-pages to know how to define a QuickText and what commands you can use (like the
/me command) and how to enable/disable commands...