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where non-private user identifier is a persistent, non-reassigned, non-targeted identifier defined to be any one of the following:
eduPersonUniqueIdeduPersonPrincipalName(if non-reassigned)eduPersonUniqueIdeduPersonPrincipalName+eduPersonTargetedID
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An Identity Provider is NOT REQUIRED to release the non-private user identifier meta-attribute to a given R&S Service Provider unless one or more of eduPersonUniqueId, eduPersonPrincipalName, eduPersonUniqueId, or eduPersonTargetedID is requested in Service Provider metadata, without regard for the isRequired XML attribute. Similarly, an Identity Provider is NOT REQUIRED to release the person name meta-attribute to a given R&S Service Provider unless one or more of displayName, givenName, or sn (surname) is requested in Service Provider metadata, without regard for the isRequired XML attribute. Finally, an Identity Provider is NOT REQUIRED to release the email address meta-attribute unless the mail attribute is requested in Service Provider metadata, without regard for the isRequired XML attribute.
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