This message maps to the Negotiate template in the TCP Session Management SBE Schema.


Tag

FIX Name

Type

Semantic TypeValid Values

Description

39003HMACVersionHMACVersionStringCME-1-SHA-256Constant value representing CME HMAC version
39005HMACSignatureString32ReqString
Contains the HMAC signature.
39004AccessKeyIDString20ReqString
Contains the AccessKeyID assigned to this session on this port.
39001UUIDuInt64int
Session Identifier defined as type long (uInt64); recommended to use timestamp as number of microseconds since epoch (Jan 1, 1970)
39002RequestTimestampuInt64UTCTimestamp
Time of request (UTC) recommended to use timestamp as number of nanoseconds since epoch (Jan 1, 1970)
39006SessionString5String
Session ID
39007FirmString5String
Firm ID