Complex type MessageRefStructure Defined in NeTEx/xsd/siri/siri_request_support-v2.0.xsd:73 Type for message ref. Base type MessageQualifierStructure Used by elements CapabilitiesResponse CheckStatusResponse DataReadyAcknowledgement DataReceivedAcknowledgement DataSupplyRequest ProducerResponse abstract ServiceDelivery SubscriptionTerminatedNotification CapabilitiesResponse ServiceDelivery No child elements or attributes are defined for this type.