Field MessageEventSource (1011) - FIX Protocol FIX.5.0SP2 EP240

Type: String

Used to identify the event or source which gave rise to a message. Valid values will be based on an exchange's implementation. Example values are: "MQM" (originated at Firm Back Office) "Clear" (originated in Clearing System) "Reg" (static data generated via Register request)

Added in protocol FIX.4.4 (5)

See in: FIX.5.0, FIX.5.0SP1, FIX.5.0SP2.