FIX TAG 553
Username
StringAdded FIX.4.3
Definition
Userid or username.
Compare versions
Differences between the selected source snapshots, including wording and errata; not a migration guide.
FIX 5.0 SP2 FIX Latest · EP309
No differences in name, type, definition text, deprecation, or enumerated values.
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 4
Includes nested components and repeating groups. Open a location to see its surrounding requirements.
35=ALogonMessage body35=BEUserRequestMessage body35=BFUserResponseMessage body35=CBUserNotificationUsernameGrp