mapdev\FacebookMessenger\Callback\EntryMessage::updateMessage PHP Метод

    private function updateMessage()
    {
        $this->isMessage = !is_null(Helper::array_find($this->_message, 'message'));
        if ($this->isMessage) {
            $this->message = new Message(Helper::array_find($this->_message, 'message'));
        }
    }