Export *.m file data dictionary to ARXML for AUTOSAR

Hi,

I have a *.m file with a large number of constants that I would like to export to ARXMl for importation in another tool. How might I do this (if it is possible)?

It looks like creating an AUTOSAR.Parameter in model explorer is the first step. But when I generate code my parameter isn't there.

I'm told I have to use the parameter somewhere in the model in order to have it autogenerate. I'd rather not have to do that - the second utility I am using needs the parameters.