Action Hook: Course Content

Filter Hook: Should append and prepend expandable wrap or not

Action Hook: Course Curriculum

Action Hook: Course Excerpt Template

Filter Hook: Filter the result which returns dozent_course_expirable();

Action Hook: Main course gate action hook, it will fire most first when any user try to enter / buy course

Action Hook: Course Benefits

Filter Hook: Filter the return value of dozent_course_is_closed(); function

Filter Hook: Filter the return value of dozent_course_is_free(); function

Filter Hook: Filter the return value of dozent_course_is_protected(); function