Hi @hasan.sarwar , there isn’t a way to do this natively within the auth0-react SDK I’m afraid.
You can pass a connection query string parameter with the /authorize request however to take the user straight to the relevant IdP, so you could request the user’s email and perform the mapping within your app, and then pass the relevant connection value to loginWithRedirect:
The Universal Login page also supports Home Realm Discovery, but only for Enterprise connections: