Hi all, Anyone created sign in authentication with google account? Need to know how can it be done

Hello everyone, So I have created Rasa ChatBot and Linked with Google assistant. Now I want to extract my google email id. Eg. in dialogflow google asks “do you want to authenticate?” and if user says “yes” it signs in with google account and I was able to extract Name, email ID etc. Same I want to implement in Rasa. Any Idea? @Juste @akelad