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IDData TypeSourceIn Request?Notes
urn:oasis:names:tc:xacml:1.0:environment:current-timetimeAuthZ DelegateYes 
urn:oasis:names:tc:xacml:1.0:environment:current-datedateAuthZ DelegateYes 
urn:oasis:names:tc:xacml:1.0:environment:current-dateTimedateTimeAuthZ DelegateYes 
urn:fedora:xacml:2.0:environment:original-ip-addressstringrequest IP or headerYesthe IP of the original client (may be forwarded by a proxy application