Attribute [ ] function ( MessageContext arg0 ) { return null ; }
optional hook to supply additional attributes for any category including urn : oasis : names : tc : xacml :3.0 : attribute-category : environment concode_field_sep Log log concode_field_sep String findAction concode_elem_sep String getUserName concode_elem_sep String findServiceName concode_elem_sep String findOperationName