How to I know a student opened a file I placed in a module?
The access report contains this information for an individual student: How do I view the course access report for an individual user?
If you want it for an entire class, the Canvas-way is to check each student individually. That's a pain, so I wrote and shared a script that does the entire class in one shot: Obtaining and using Access Report data for an entire course
The best thing that I can find that is readily available to for instructors to use is the the access reports.
Below's a link on how to get the report.
Obtaining and using Access Report data for an entire course
You just beat me to this.
Retrieving data ...