Home > Welcome to Moodle > Course Settings Page > Completion Tracking Questions (Check boxes next to assignments) > Completion Tracking: Manage Student Completion Manually
This is a new feature as of 2018/SU with our update to Moodlerooms 3.4 and provide instructors with a means of toggling the completion status of assigned work in a Moodle course.
These steps require that you have Completion Tracking enabled and applied in your course.