# File lib/guard/notifier.rb, line 116
    def add_notification(name, options = { }, silent = false)
      return turn_off if name == :off

      if NOTIFIERS.has_key?(name) && NOTIFIERS[name].available?(silent)
        self.notifications = notifications << { :name => name, :options => options }
        true
      else
        false
      end
    end