This message maps to the Negotiate template in the TCP Session Management SBE Schema.
| Tag | FIX Name | Type | Semantic Type | Valid Values | Description |
|---|---|---|---|---|---|
| 39003 | HMACVersion | HMACVersion | String | CME-1-SHA-256 | Constant value representing CME HMAC version |
| 39005 | HMACSignature | String32Req | String | Contains the HMAC signature. | |
| 39004 | AccessKeyID | String20Req | String | Contains the AccessKeyID assigned to this session on this port. | |
| 39001 | UUID | uInt64 | int | Session Identifier defined as type long (uInt64); recommended to use timestamp as number of microseconds since epoch (Jan 1, 1970) | |
| 39002 | RequestTimestamp | uInt64 | UTCTimestamp | Time of request (UTC) recommended to use timestamp as number of nanoseconds since epoch (Jan 1, 1970) | |
| 39006 | Session | String5 | String | Session ID | |
| 39007 | Firm | String5 | String | Firm ID |