public function initialize()
 {
     $this->setDefaultProperties(array('cache' => true, 'cache_prefix' => 'getfield_' . $this->getOption('cultureKey') . '/', 'debug' => 'true'));
     // get resource id
     if (!$this->getProperty('res')) {
         return "Can't find resource id";
     }
     // get field
     if (!$this->getProperty('field')) {
         return "Can't find field name";
     }
     return parent::initialize();
 }
 public function initialize()
 {
     $this->setDefaultProperties(array('cache' => true, 'cache_prefix' => 'getlangs_' . $this->getOption('cultureKey') . '/', 'context' => $this->modx->context->key));
     return parent::initialize();
 }