Code Set NameData TypeDescriptionPedigree
BeginStringCodeSetString

Identifies beginning of new message and session protocol version by means of a session profile identifier (see FIX Session Layer for details). ALWAYS FIRST FIELD IN MESSAGE. (Always unencrypted).


FIX.4.2=

Session profile FIX.4.2

Added EP270 [FIX42]
FIX.4.4=

Session profile FIX4

Added EP270 [FIX44]
FIXT.1.1=

Session profile FIXT or LFXIT

The choice between FIXT and LFIXT is subject to counterparty agreement.

Added EP270 [FIXT11]
Added FIX.2.7 Updated EP270
Used in fields:
[BeginString]