protected function configure() {

		add_action( 'init', array( $this, 'set_title_and_description' ) );

		if ( $this->is_available() ) {

			// Custom engagements.
			add_filter( 'lifterlms_engagement_triggers', array( $this, 'register_engagement_triggers' ) );

			add_action( 'bbp_new_topic', array( llms()->engagements(), 'maybe_trigger_engagement' ), 10, 4 );
			add_action( 'bbp_new_reply', array( llms()->engagements(), 'maybe_trigger_engagement' ), 10, 5 );

			add_filter( 'lifterlms_external_engagement_query_arguments', array( $this, 'engagement_query_args' ), 10, 3 );

			// Register shortcode.
			add_filter( 'llms_load_shortcodes', array( $this, 'register_shortcodes' ) );

			// Add memberships restriction metabox.
			add_filter( 'llms_membership_restricted_post_types', array( $this, 'add_membership_restrictions' ) );

			// Check forum/bbp template restrictions.
			add_filter( 'llms_page_restricted_before_check_access', array( $this, 'restriction_checks_memberships' ), 40, 1 );
			add_filter( 'llms_page_restricted_before_check_access', array( $this, 'restriction_checks_courses' ), 50, 1 );

			// Add and save custom fields.
			add_filter( 'llms_metabox_fields_lifterlms_course_options', array( $this, 'course_settings_fields' ) );
			add_action( 'llms_metabox_after_save_lifterlms-course-options', array( $this, 'save_course_settings' ) );
			add_filter( 'llms_get_course_properties', array( $this, 'add_course_props' ), 10, 2 );

			add_action( 'llms_content_restricted_by_bbp_course_forum', array( $this, 'handle_course_forum_restriction' ), 10, 1 );

		}
	}