1. A process control method comprising: providing a graphical user interface (GUI) in an existing process management environment that controls a process; accepting a selection of external logical instruction steps through the GUI, where the external logical instruction steps are external with respect to the existing process management environment; introducing the external logical instruction steps into the existing process management environment; approving the external logical instruction steps for the existing process management environment; and controlling the process using the existing process management environment in accordance with the external logical instruction steps.