@SUCCESS 

@success <object> [=<message>]. Sets the success message for <object>. 
The message is displayed when a player successfully uses <object>. 
Without a message argument, it clears the message. It can be 
abbreviated @succ. <object> can be specified as <name> or #<number>, 
or as 'me' or 'here'. 

See also @OSUCCESS.