Sorry may have misread the question but are you trying to get all the modules in your model? If so, you can use "modules" instead of "files" as the last item in your API call.This will return the list of modules within your model with their ID and names.
That's correct, I did get a list of Modules. Is there a way to pass the Module ID to get the detail data or items behind that Module? Just like I get the list of files and there's the API to get the data details for that file.
I do not think that has been released yet. I know this is something the Anaplan engineering team is working on to be able to get the line items, dimensions, and saved views details from the modules but the current v2.0 API does not support that to the best of my knowledge.