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The NameFormat (what format is the the formal attribute name in) is always "urn:oasis:names:tc:SAML:2.0:attrname-format:uri". For legacy protocol versions (SAML1.x) the formal attribute name is "urn:mace:dir:attribute-def:eduPersonEntitlement" instead. See https://eduid.at/entities/sp and "mouse-over" the requested attribute's name to find out its required formal name.

Shibboleth IDP Configuration

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