getSetting() public method

public getSetting ( $key = null, $element_type = null, $return_object = false )
 public function run($args)
 {
     $settings = new SettingMetadata();
     $recipients = $settings->getSetting('applications_alert_recipients');
     Yii::import('application.modules.OphCoTherapyapplication.components.*');
     $pendingApplications = new PendingApplications();
     if ($pendingApplications->emailCsvFile($recipients)) {
         echo 'Email sent';
     } else {
         echo 'Email failed';
     }
 }