Thanks a lot. But let me review : I should useActivity completion along with Conditional activities for the units in the courses and page resource for video (image or document) content.
Lesson
How to organize a lesson
ការពិភាក្សាត្រូវបានបិទ ដូច្នេះអ្នកមិនអាចឆ្លើយតបទៀតទេ។