on 30:TEXT:!away*:#:{
  set %away.reason $2- | set %away.time $ctime
  /amsg I am now away! Reason: $2-
}
on 30:TEXT:!back*:#:{
  /amsg I'm back! Reason for being away: %away.reason $+ . I was gone for $duration($calc($ctime - %away.time)) $+ !
}