Here is a list of all enum values with links to the classes they belong to:

- u -

• Undefined : OrderStatus, ReactorType, SessionStorageType
• UndefinedPriorityAndPolicy : PriorityAndPolicyTraits
• Undisclosed : SideReq
• UndisclosedSellInformationNotAvailableUNDI : ShortSaleType
• UnexpectedMessageType : SessionErrorReason
• UnexpectedNextSeqNo : SessionWarningReason
• UnexpectedPreviousUuid : SessionWarningReason
• UnexpectedSbeSchemaVersion : SessionWarningReason
• UnexpectedUuId : SessionWarningReason
• UnexpectedUuid : SessionErrorReason
• UnknownId : BusinessRejectReason
• UnknownSecurity : BusinessRejectReason, DKReason
• Unnegotiated : TerminateErrorCode
• UnsupportedMessageType : BusinessRejectReason, SessionWarningReason