Complex type ItemRefStructure Defined in NeTEx/xsd/siri/siri_request_support-v2.0.xsd:134 Type for reference to an Item. Base type ItemIdentifierType Used by elements GeneralMessageCancellation MonitoredStopVisitCancellation StopLineNoticeCancellation StopNoticeCancellation TimetabledFeederArrivalCancellation No child elements or attributes are defined for this type.