Forums Scripts & Popups alias output in channel

on $*:TEXT:/^!countdown from (\d+)/iS:#:{
  var %c = $regml(1)
  msg $chan Countdown starting from %c $+ :
  msg $chan %c
  .timercd %c 1 msg # $!timer(cd).reps 
  .timer 1 12 let $chan
}	
alias let {
  msg $1 hello 
}