The Market Data Logon (tag 35-MsgType=A) message is an ASCII message sent by the client system to MDP to initiate logon for TCP Recovery for UDP.
Required fields are:
| Tag | FIX Name | Valid Values | Format | Description |
|---|---|---|---|---|
35 | MsgType | A | Char (1) | Message Type |
553 | Username | String (100) | User ID or username. | |
554 | Password | String (100) | Password or pass phrase. |