content: -- Toggle Do Not Disturb
  tell application "System Events"
      tell application process "SystemUIServer"
          try
              key down option
              if state = "start" then
                  click menu bar item "Notification Center" of menu bar 2
              else
                  click menu bar item "Notification Center, Do Not Disturb enabled" of menu bar 2
              end if
              key up option
          on error
              key up option
          end try
      end tell
  end tell
  