public function getContent()
    {
        try {
            if ($this->response) {
                if (isset($this->response['content'])) {
                    return $this->response['content'];
                } else {
                    return $this->response;
                }
            }
        }
        catch (Exception $e) {
            $message = 'Error File: ' . $e->getFile() . ' - Line: ' . $e->getLine() . ' - Code: ' . $e->getCode() . ' - Message: ' . $e->getMessage();
            $this->debug->error(__FUNCTION__, $message);

            return $message;
        }

        return NULL;
    }