Tag 1011
MessageEventSource
Abbreviation:
MsgEvtSrcDescription
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)
Wire Format & Usage Example
Single field (key=value)
1011=EXAMPLE
In a FIX message (AllocationInstruction)
8=FIX.4.4 | 9=... | 35=J | 49=SENDER | 56=TARGET | 34=1 | 52=20240101-09:30:00.000 | … | 1011=EXAMPLE | … | 10=...
Fields are delimited by SOH (ASCII 0x01), shown here as " | ". The highlighted field 1011=EXAMPLE is this field's position in the message.