What type of auth mecanism AzureAD enterprise connection use?

Hello

I am wondering which mechanism is used my Auth0 AzureAD Enterprise connexion? Is it based on SAML?

Regards

i think I find this answer. It is OAuth 2.0. Why update to Microsoft identity platform (v2.0) - Microsoft Entra | Microsoft Learn and How to authenticate users of your apps with the Microsoft identity platform - YouTube