You want to activate the SSO authentication for your organization. Find out how to do it in this article.
If you don't know what it the SSO authentication, please read our article What is the SSO authentication?
In your organization dashboard, go to " SAFETY " , then " Authentication ".
Choose the authentication system you want between G suite and SAML 2 and click on " Configure ".
Authentication with Google
Log in with your Google account and follow the instructions
Authentication with SAML 2
Fill in the " SSO URL ", the " SLO URL " and the " Certificate " and click on " Configure ".