Forum Discussion
App Registration query - OIDC connection
Question, I am trying to establish if there is a way using an app registration/ enterprise app so that a user can authenticate to a different ID (so authentication would use something other than ...
DeanH I believe you can accomplish that through Token Configuration > Optional Claims
Reference: https://learn.microsoft.com/en-us/entra/identity-platform/optional-claims
"Users signing in with an alternate login ID shouldn't be shown their User Principal Name (UPN). Instead, use the following ID token claims for displaying sign-in state to the user: preferred_username or unique_name for v1 tokens and preferred_username for v2 tokens."
Reference: https://learn.microsoft.com/en-us/entra/identity-platform/optional-claims-reference#v10-and-v20-optional-claims-set
