!join command for an IRC bot

ON *:TEXT:!join:#: {
if (%flood) { return }
set -u3 %flood Stop
join $chr(35) $+ $nick
msg # ACTION joined $nick $+ 's chat 
}
ON *:TEXT:!leave:#: {
if (%flood) { return }
if ($msgtags(mod).key == 1) {
set -u3 %flood Stop
part $chan
msg # ACTION left $remove($chan,#) $+ 's chat 
}
}

I suppose that would do it if you have:

CAP REQ :twitch.tv/membership
CAP REQ :twitch.tv/commands

Also prevents people from flooding you with join/parts.