learndash_course_navigation_widget_args

 <?php
/**
 * Example usage for learndash_course_navigation_widget_args filter.
 */
add_filter(
	'learndash_course_navigation_widget_args',
	function( $widget_instance, $course_id ) {
		// May add any custom logic using $widget_instance, $course_id.

		// Always return $widget_instance.
		return $widget_instance;
	},
	10,
	2
);