SSO setup with Microsoft Entra ID

1. Go to https://entra.microsoft.com/.
2. Search for and go to Enterprise Applications.

3. Click on + New Application.

4. Click on Create your own application.

5. Enter a name for the application, select Integrate any other application you don't find in the gallery (Non-gallery), and then click Create.

6. Under Getting Started go to Assign users and groups.

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Note:

Only the users and groups that are assigned in the steps will be able to access the CustomGPT.ai application.

7. Go to Single sign-on, through Manage->Single sign-on In the sidebar, and click on the SAML.

8. Click on Edit in the Basic SAML Configuration.

9. Go to https://docs.customgpt.ai/docs/sso-setup and complete steps 1-4:

• Copy Entity ID from CustomGPT and save it as “Identifier (Entity ID)” in Azure.
• Copy ACS URL from CustomGPT and paste it as “Reply URL (Assertion Consumer Service URL)” in Azure.

• Click on Save in top-left corner.
• Click on Close Icon in the top-right corner.

10. Scroll down to Attributes & Claims and click on Edit.

11. Click on Add new claim, add email = “user.principalname” and click on Save.

12. Add userName = user.displayname claim in the same way:

• Email and user name should be listed in Claims list as below:

• Click on Close Icon in the top-right corner.

13. Scroll down to SAML Certificates section and download certificate in XML format.

14. Go back to CustomGPT.ai app and upload downloaded XML Certificate in SAML Integration section.