Params f is the path to the file you want to created.
Action Looks up the fileWriter for the current page, and tells it to write a file.
This verb should be called from your macros and filters. This verb hides those details from you. Your scripts don't need to know where the file's eventual destination is or how it's getting there. The syntax for this verb is deliberately similar to file.writeWholeFile . On Windows, the type and creator parameters are ignored.