To create a new process design file (extension: .ufl), click on the menu icon 
(+ button). file, it will be added to the process definition list.
After adding the file, change the logic name in the Properties Area's Object pane = Basic Info tab = Logic Name.
If necessary, you can use the menu icon 
(Save) to save the information on the logic components to be used and their parameters in the processing design file (the same applies if you select [File] ⇒ [Save Selected File] from the TOP menu).
Also, 
(Save All) will save all modified files, including the treatment design file (the same applies if you select [File] ⇒ [Save All] from the TOP menu).
