func doSet(_data)
  print('session_set_cookie_params(', LifeTime)
  if(isset(Path) or isset(Domain) or isndef(Secure))
    print(', ', Path)
  end
  if(isset(Domain) or isndef(Secure))
    print(', ', Domain)
  end
  if(isndef(Secure))
    print(', ', lower(Secure))
  end
  println(');')
  event(onSet)
end