/**
  * Get tracker
  *
  * @return ilLMTracker tracker instance
  */
 function getTracker()
 {
     include_once "./Modules/LearningModule/classes/class.ilLMTracker.php";
     $tracker = ilLMTracker::getInstance($this->lm->getRefId());
     $tracker->setCurrentPage($this->getCurrentPageId());
     return $tracker;
 }
 /**
  * Get blocked users
  *
  * @return array array of blocked user information
  */
 protected function getBlockedUsers()
 {
     include_once "./Modules/LearningModule/classes/class.ilLMTracker.php";
     $track = ilLMTracker::getInstance($this->lm->getRefId());
     return $bl_users = $track->getBlockedUsersInformation();
 }