It’s a good thought and yes I have tried it but sadly it just adds a single line with the value Analog In, Analog Out, MIDI I/O rather than 3 different lines.
I also tried separating the values with a carriage return and a semi-colon but no luck.
However, if you need separate lines it might be needed to use slightly different names, like this:
setSpecific of first selected template with name “Additional Inputs/Outputs” to value “Analog In”
setSpecific of first selected template with name “Additional Inputs/Outputs #2” to value “Analog Out”
setSpecific of first selected template with name “Additional Inputs/Outputs #3” to value “MIDI I/O”