Setting up SSO for your Jet Admin project requires your to set up Custom Domain for your project first.
G Suite Apps page is located at https://admin.google.com/u/1/ac/apps
Specify Entity ID and upload saved Metadata (.xml) file from the previous step. Entity ID should be unique text identifier of your application
ACS URL displayed at the bottom of page will be needed on the next step.
Specify ACS URL and Entity ID entered on the previous step
You should specify 3 attributes to map on Jet Admin user account:
Email should map to Basic Information - Primary Email
FirstName should map to Basic Information - First Name
LastName should map to Basic Information - Last Name
SSO button should appear automatically on the login and register pages when visiting Jet Admin from your custom domain.