domainHint property
If included, it will skip the email-based discovery process that user goes through on the sign-in page, leading to a slightly more streamlined user experience - for example, sending them to their federated identity provider. Often apps will use this parameter during re-authentication, by extracting the tid from a previous sign-in. If the tid claim value is 9188040d-6c67-4c5b-b112-36a304b66dad, you should use domain_hint=consumers. Otherwise, use domain_hint=organizations.
Implementation
String? domainHint;