IOIID <23> field – FIX 5.0 SP2 – FIX Dictionary

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FIX 5.0 SP2 : IOIID <23> field
Type: String

Unique identifier of IOI <6> message.

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

FIX 5.0 SP2 : IOIID <23> field