private function execute($str_method, ProtocolMessage $obj_request, ProtocolMessage $obj_response)
    {
        try {
            $this->obj_last_request = $obj_request;
            $this->obj_last_response = null;
            ApiProxy::makeSyncCall('search', $str_method, $obj_request, $obj_response, 60);
            $this->obj_last_response = $obj_response;
        } catch (ApplicationError $obj_exception) {
            throw $obj_exception;
        }
    }