After a user logs in from the external IDP, there’s some additional user session note data that {{book.project.name}} stores that you can access. This data can be propagated to the client requesting a login via the token or SAML assertion being passed back to it by using an appropriate client mapper.
- BROKER_PROVIDER_ID
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This is the IDP alias of the broker used to perform the login.
You can use a Protocol Mapper to propagate this information to your clients.