선택된 차량이나 사용자에 대한 식별자 정보 (RequestorDescription)

RequestorDescription ::= SEQUENCE {
    id VehicleID,
    type RequestorType OPTIONAL,
    position RequestorPositionVector OPTIONAL,
    name DescriptiveName OPTIONAL,
    routeName DescriptiveName OPTIONAL,
    transitStatus TransitVehicleStatus OPTIONAL,
    transitOccupancy TransitVehicleOccupancy OPTIONAL,
    transitSchedule DeltaTime OPTIONAL,
    regional SEQUENCE (SIZE(1..4)) OF
        RegionalExtension {{Reg-RequestorDescription}} OPTIONAL,
    ...
}