By this filter you can add video tutorial under admin help menu.

function job_bm_tutorials_29072019($tutorials){
  
  $tutorials[] = array(
            'title'=>__('Job Board Manager - Create a job Extra.',job_bm_textdomain),
            'video_id'=>'KZygrlmNrE8',
            'source'=>'youtube',
            );	

  return $tutorials;

  }
  
add_filter('job_bm_tutorials','job_bm_tutorials_29072019');