A method and apparatus for a control system of an automation network. The control system comprises an automation device operably connected to the network. Also operably connected to the control system is a network device for storing an application program for controlling the automation device. A message request for the application program is transmitted from the automation device to the network device. A customized application program is selected in response to the message request and transmitted to the automation device. The application program is installed in the automation device and executed.