Learndash_Admin_Groups_Edit::display_groups_columns Learndash_Admin_Groups_Edit::display_groups_columns( string $column_name = '', integer $group_id ) Display Group columns. ContentsDescription Parameters Source Related @package Description # Parameters # $column_name (string) (Optional) Column being displayed. Default value: '' $group_id (integer) (Required) ID of Group (post) being displayed. Source # File: includes/admin/class-learndash-admin-groups-edit.php Related # @package # LearnDash / admin