function after_install()
 {
     global $CFG;
     // initialize the global configuration
     $global_config = array("block_moodle_notifications_email_channel" => 1, "block_moodle_notifications_sms_channel" => 1, "block_moodle_notifications_rss_channel" => 1, "block_moodle_notifications_frequency" => 12, "block_moodle_notifications_email_notification_preset" => 1, "block_moodle_notifications_sms_notification_preset" => 1);
     return parent::config_save($global_config);
 }
 /**
  * Default behavior: save all variables as $CFG properties
  * You don't need to override this if you 're satisfied with the above
  *
  * @param array $data
  * @return boolean
  */
 function config_save($data)
 {
     print_object($data);
     die;
     return parent::config_save($data);
 }