TagField NameData TypeUnion DatatypeDescriptionAddedDepr.Enums from tag
28IOITransTypechar

Identifies IOI message transaction type



C=

Cancel

 Added  FIX.2.7[Cancel]
N=

New

 Added  FIX.2.7[New]
R=

Replace

 Added  FIX.2.7[Replace]
 Added  FIX.2.7
Used in messages:
[IOI]