/**
* {@inheritdoc}
*/
public function execute()
{
$update = $this->getUpdate();
$callback_query = $update->getCallbackQuery();
$callback_query_id = $callback_query->getId();
$callback_data = $callback_query->getData();
$data['callback_query_id'] = $callback_query_id;
if ($callback_data == 'thumb up') {
$data['text'] = 'Hello World!';
$data['show_alert'] = true;
} else {
$data['text'] = 'Hello World!';
$data['show_alert'] = false;
}
return Request::answerCallbackQuery($data);
}