$session.getUsername() works, but $.session.samlUserInfo return empty {}

Dear HANA developers,

I'm trying to get the e-mail address of the logged in user, but unfortunately the $.session.samlUserInfo is empty, so no $.session.samlUserInfo.mail for me $session.getUsername() works without a problem.

In the XS-admin tool I've checked SAML as the authentication method and SAPID as the identity provider.

What am I doing wrong?

Thank you,

Steffen