public function save()
 {
     if (!$this->getMailKey()) {
         $this->setMailKey(Filesystem::readRandomCharacters(20));
     }
     return parent::save();
 }
 protected function getConfiguration()
 {
     return array(self::CONFIG_AUX_PHID => true, self::CONFIG_COLUMN_SCHEMA => array('title' => 'text255')) + parent::getConfiguration();
 }
 public function getConfiguration()
 {
     return array(self::CONFIG_AUX_PHID => true) + parent::getConfiguration();
 }