pimax\Messages\MessageButton::getData PHP Method

    public function getData()
    {
        $result = ['type' => $this->type, 'title' => $this->title];
        switch ($this->type) {
            case self::TYPE_POSTBACK:
                $result['payload'] = $this->url;
                break;
            case self::TYPE_WEB:
                $result['url'] = $this->url;
                break;
        }
        return $result;
    }