help emote
emote <what>Emotes <what>.
example :
>emote demonstrates emote.
other people see
Orange demonstrates emote.
For more advanced messaging, you can add @words into the emote text, like this:
>emote pokes @cobalt in @his eyes.
other people see
Orange pokes Cobalt in his eyes.
but Cobalt would see
Orange pokes you in your eyes!
Full information about how to do this can be found in info emote.