TagField NameXML NameData TypeUnion DatatypeDescriptionAddedDepr.Enums from tag
23IOIID @IOIID
@ID in Indication		String

Unique identifier of IOI message.

(Prior to FIX 4.1 this field was of type int)



 Added  FIX.2.7
Used in messages:
[CrossOrderCancelReplaceRequest] [IOI] [MultilegOrderCancelReplace] [NewOrderCross] [NewOrderMultileg] [NewOrderSingle] [QuoteResponse]
Used in components:
[ListOrdGrp]