LearnDash_Settings_Page_Course_Builder_Single::save_cb_metabox()
Method: Called when metabox is being saved.
@package: LearnDash / Settings
Source Files: includes/settings/settings-pages/class-ld-settings-page-courses-builder-single.php
Source Files: includes/settings/settings-pages/class-ld-settings-page-courses-builder-single.php