How to implement a form at Rasa

Hello, rocketchat community.
I sign up to the HACK FOR BRAZIL|COVID-19 and saw there that is possible to open a form inside the RocketChat.
I deeply looked for how to implement it, but I can’t find how to do it.
Is it did via the integration of RocketChat with Google Forms or PaperForm?
Below the I’m showing pictures of the form I’m talking about.
Thanks in advance.