public function add_lesson_promo_tab( $tabs ) {
		$tabs[] = array(
			'title'  => __( 'Events', 'lifterlms' ),
			'fields' => array(
				array(
					'id'    => '_llms_events_promo',
					'type'  => 'custom-html',
					'label' => '',
					'value' => $this->get_promo_html(),
				),
			),
		);
		return $tabs;
	}