Single sign-on: authentication login using Google Cloud

User Guides / Authentication / Single sign-on: authentication login using Google Cloud


Single sign-on (SSO) is a type of authentication in which a user logs in to one system and is automatically granted access to other services.  Single sign-on is often used within enterprise environments (and with services such as Manifest) where employees access numerous apps and services daily.  Rather than having an employee create a separate set of credentials to log into every application they use daily, SSO allows a single login for authentication of many services using an OpenID platform.    

There are several different OpenID providers.  We have included a link below.  In this article, however, we outline how to set up SSO authentication using Google Cloud.  


  • A Google account 
  • Manifest permissions and role MUST BE either Administrator or Security Administrator 

Setting up Google Cloud 

  • From the dropdown, select “OAuth client ID” 
  • Under the Application Type dropdown, select “Web Application”  
  • Under Name enter the name of your application 
  • An OAuth client created pop-up modal will appear that will show the Client ID and the Client Secret.  You only will need Your Client ID 

Adding Google OIDC to Manifest domain 

  • Log into your Manifest Web Application 
  • Go to Client Settings ‘Gear’ in the top right-hand corner  
  • Select “Authentication Configuration” 
  • Select “+OIDC button”  
    • Please note: Only (1) OIDC configuration is allowed.  If this button is grayed out, then the configuration is already set up.  If it’s blue, then OIDC can be configured.  
  • Make sure that Flow = Implicit 
  • Enter the Client ID from the Google Cloud console 
  • Under Issuer enter:  
  • Select “Update” 
  • Log out  
  • Note: there is an option to sign in with OpenID Connect 
  • Select “Sign In with OpenID Connect” 
    • Note: users may be prompted to select which account with which to sign in.  Select that account and select “continue” 
  • Log in successful! 
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