Are you talking about saving an IO setup for different interfaces after you name everything? You can do that in the IO. Just save the files, and if a session is wrong, import the file (you will probably want to choose apply to all tabs) and BAM, you're all set and ready to go.
I cover that here towards the end.
Pro Tools - Name Inputs and Outputs
https://youtu.be/NkcvEjA5FOw