LEARNDASH_ACTIVATED This constant is for internal user only. define( 'LEARNDASH_ACTIVATED', bool ) Define LearnDash LMS – Set during plugin activation. ContentsDescription Parameters Source Changelog Related @package Description # Parameters # (bool) (Required) true when plugin is being activated. Source # File: includes/class-ld-lms.php Changelog # Changelog Version Description 2.4.0 Introduced. Related # @package # LearnDash