add_meta_boxes()
Function: Adds the metaboxes for quiz post type.
@since: 3.0.0 | Uses: 1 function
@package: LearnDash
Source Files: includes/quiz/ld-quiz-metaboxes.php
@package: LearnDash
Source Files: includes/quiz/ld-quiz-metaboxes.php
Source Files: includes/quiz/ld-quiz-metaboxes.php
meta_box_questions_callback()
Function: Prints the output for quiz navigation meta box.