Please know that to use the "Facebook Messenger bot" you MUST own a Published Facebook Page.
Select any card you would like:
Then select the ellipsis (...) to open "Edit" :
Select Edit:
Select "Next" until you have reached "Info":scroll down to "Facebook Messenger bot" button and toggle it on :
Then add your "Facebook Page ID":
You have added the "Facebook Messenger bot" option to your card:
See this in action on our Shuffle by Elify YouTube Channel: