| Tag | Field Name | Data Type | Union Datatype | Description | Added | Depr. | Enums from tag |
|---|---|---|---|---|---|---|---|
| 369 | LastMsgSeqNumProcessed | int |
The last MsgSeqNum value received and processed. Can be specified on every message sent. Useful for detecting a backlog with a counterparty. | Added FIX.4.2 |
|