I would like to ask whether there exists a way to specify file types at submission, i.e. "Manuscript", "Cover letter", "Figure", "Supplementary material" etc.
Specifically, I would like to build a submission system that guides the author to submit (a) a cover letter, (b) PDF file and (c, optionally) supplementary files at the first submission, and (a) a cover letter, (b) a source file for the manuscript (either in Word or LaTeX), and optionally (c) source files for figures and (d) supplementary files for the final submission. Does the current OJS infrastructure supports such a scheme? I am using OJS 18.104.22.168.