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FIX TAG 23

IOIID

StringAdded FIX.2.7

Definition

Unique identifier of IOI message. (Prior to FIX 4.1 this field was of type int)

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Differences between the selected source snapshots, including wording and errata; not a migration guide.

FIX 4.2 FIX 4.4

PropertyFIX 4.2FIX 4.4
NameIOIidIOIID

No enumerated values are defined for this field in this source.

About the String data type

Alpha-numeric free format strings, can include any character or punctuation except the delimiter. All String fields are case-sensitive (i.e. morstatt != Morstatt).

Used in messages 8

Includes nested components and repeating groups. Open a location to see its surrounding requirements.