family_name
in the normalized user profile contains details that may be returned to an IdP as surname
or last_name
.
As such, the Auth0 claims included in the normalized user profile differ from the standard set of claims that can be returned in from the Authentication API’s oauth/token
endpoint or in the response from the /userinfo
endpoint (both of which follow the requirements detailed in the OIDC specification).
To learn about the attributes included in the normalized user profile and understand how you can work with them, read User Profile Structure.