The following commands work in the Spiritualitea chatroom but not in the instant messaging system.
To send a private message:
/privmsg {username}
To act rather than say:
/me {action}
To create or enter another private chatroom:
/join {roomname}
To invite another member to a private room (see above):
/invite {nickname to invite} [ {target roomname} ]
To log out:
/quit