An admin comes onto the website and creates an assignment which is a content type. Students come onto the website and create submissions that point to the certain assignment. There is a file upload field where students can upload their submission. I want to make it so when the admin creates the assignment, he/she can choose which file types are allowed. Is there a field that will automatically process what file types the admin chose so that a student can only upload that specific file type?
So, it's the rough instruction step by step as Matt asked: