Hi @Seth Call
Thank you for reaching us!
To answer your question yes, you can pass along other attributes in the SAML assertion to have Azure match against other user directory values.
Entra ID supports matching users based on a variety of attributes, including the user's email address, employee ID, object ID and custom attributes.
To configure these attributes, you can use the Entra portal to edit the claims issued in the SAML token for your application.
For more information on how to customize SAML token claims in Entra ID please refer to the following documentation: Customize SAML token claims
https://learn.microsoft.com/en-us/answers/questions/251487/how-to-add-custom-user-attribute-to-use-in-azure-s
Hope this helps. Do let us know if you any further queries.
Thanks,
Akhilesh.
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