Tag 369
LastMsgSeqNumProcessed
Abbreviation:
LastMsgSeqNumProcedDescription
The last MsgSeqNum (34) value received by the FIX engine and processed by downstream application, such as trading engine or order routing system. Can be specified on every message sent. Useful for detecting a backlog with a counterparty.
Wire Format & Usage Example
Single field (key=value)
369=42
In a FIX message (Heartbeat)
8=FIX.4.4 | 9=... | 35=0 | 49=SENDER | 56=TARGET | 34=1 | 52=20240101-09:30:00.000 | … | 369=42 | … | 10=...
Fields are delimited by SOH (ASCII 0x01), shown here as " | ". The highlighted field 369=42 is this field's position in the message.