If I understand correctly you are trying to pass the param upstream to Okta, as they are the IDP in this scenario.
You will need to pass login_hint as an upstream param. Checkout this doc and let me know if I am missing something:
If I understand correctly you are trying to pass the param upstream to Okta, as they are the IDP in this scenario.
You will need to pass login_hint as an upstream param. Checkout this doc and let me know if I am missing something: