Defines message type. ALWAYS THIRD FIELD IN MESSAGE. (Always unencrypted)
Note: A 'U' as the first character in the MsgType (35) field indicates that the message format is privately defined between the sender and receiver.
Valid values:
| '0' | Heartbeat (0) |
| '1' | Test Request (1) |
| '2' | Resend Request (2) |
| '3' | Reject (3) |
| '4' | Sequence Reset (4) |
| '5' | Logout (5) |
| '6' | Indication of Interest (6) |
| '7' | Advertisement (7) |
| '8' | Execution Report (8) |
| '9' | Order Cancel Reject (9) |
| 'A' | Logon (A) |
| 'B' | News (B) |
| 'C' | Email (C) |
| 'D' | New Order - Single (D) |
| 'E' | New Order - List (E) |
| 'F' | Order Cancel Request (F) |
| 'G' | Order Cancel/Replace Request (G) |
| 'H' | Order Status Request (H) |
| 'J' | Allocation (J) |
| 'K' | List Cancel Request (K) |
| 'L' | List Execute (L) |
| 'M' | List Status Request (M) |
| 'N' | List Status (N) |
| 'P' | Allocation ACK (P) |
| 'Q' | Don't Know Trade (Q) |
| 'R' | Quote Request (R) |
| 'S' | Quote (S) |
Used in: