Default blocks

There are two blocks that are predefined—Welcome message and Default message. Welcome message comes along with a default card with the welcome text in it. The welcome block is triggered when the user first encounters the chatbot. On Facebook Messenger, this is triggered when the user hits the Get Started button. The default answer block is triggered when the bot does not know how to handle a user's input message. Try saying hello to the bot on Facebook Messenger and see how it responds: