The Question node allows you to present some information to the customers and ask questions. Answers to the questions can be added as Transitions and connected to other nodes in the flow.
The Answers (Transitions) are shown to the users after the messages as quick reply buttons. On selection of one of the buttons the user moves ahead in the conversation.
Authoring Messages to User
Click on the link to learn about Message Authoring
Adding Answers/Transitions to Question Node
Transitions can be added to the question node to have paths to other parts of the flow. These are presented to the customers as Quick Reply answers which on selection routes them to the specific path.
Question Node in Action
Here is a video showing the Question node in action.