hi {
  if (%away == off) { halt }
  else { /ame is Back - Reason for away - %away - Gone for $duration($calc($ctime - %time),20) }
  { set %away off }
}

cya {
  ame Gone at $time [Reason - $1-]
  { set %time $ctime }
  { set %away $1- } 
}