Search your documents using natural language.
In app:
Add learning material
Swipe left or press the + icon at the bottom > Add Learning Material
Main menu > Create > Add Learning Material
Save it to a new course
While adding learning material, save it in a new course to enable the search
Open the course
Swipe right or press the magnifying glass at the bottom
Main menu > My Courses
Ask questions
Ask any question you like about the contents of the learning material