on *:TEXT:!invite *:#Lowmotion: {
  if ($me ison $2) {
    halt
  }
  elseif ($2 != #*) {
    notice $nick Sorry, $2 is not a valid channel
    halt
  }
  if ($2 == #*) {
    join $2
    set %Channel.Check $2
    timer 1 2 CheckChannel
  }
}

alias CheckChannel {
  if ($nick(%channel.check) < 3) {
    part %channel.check You need at least 3 people on this channel if you want me to be here!
  }
}
on *:invite: {
  notice $nick Please come to #LowMotion and type: !invite #YourChan
}