TagField NameAbbr NameData TypeUnion DatatypeDescriptionPedigree
23IOIIDIOIID / ID in IndicationString

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]