Why is Samsung Smartthings button not showing in Alexa?

I tried to discover the Samsung Smartthings Button in Amazon Alexa but it’s not found. The SmartThings app is able to find the button though; however, Alexa app is not. Any suggestion?

Alexa doesn’t support buttons

See the following discussion, it will explain how you can still use the button with Alexa if you want to. (This is a clickable link)