TRADER LOGON [35=UCG]

TRADER LOGON [35=UCG]

The Trader Logon message authenticates additional traders under an established FIX session.

Prerequisites

Master User must enable Multi-Trader mode via Logon (Tag 372=UCG)
FIX session must be established
Traders must have assigned accounts and exchanges

Message Specification

Message Direction: Client → T4

Tag	Field Name	Type	Req'd	Description
	Message Header		Y	MsgType = UCG
91	SecureData	String	Y	Application license code
90	SecureDataLen	Int	Y	License code length
109	ClientID	String	O	Organization ID
553	UserName	String	Y	T4 Trader username
554	Password	String	Y	T4 Trader password
	Message Trailer		Y

Multi-Trader Operations

All order messages must include SenderSubID (50) = trader name
Responses identify trader in TargetSubID (57)
Failed authentication doesn't disconnect session
Trader Logout removes individual trader
FIX Logout terminates entire session

Sample Messages

Enable Multi-Trader Mode (in Logon):

8=FIX.4.2|9=250|35=A|49=T4Test|56=test|50=MasterUser|52=20150611-17:41:56.934|
91=64768859-3ACF-4224-A4E9-DA66901AFC63|90=36|98=0|108=25|
553=MasterUser|554=_password_|384=2|372=d|372=UCG|10=123|

Trader Logon Request:

8=FIX.4.2|9=180|35=UCG|49=T4Test|56=test|52=20150611-17:42:02.813|
91=64768859-3ACF-4224-A4E9-DA66901AFC63|90=36|
553=Trader1|554=_TraderPassword_|10=123|

Successful Response:

8=FIX.4.2|9=120|35=UCG|49=test|56=T4Test|50=T4FIX|52=20150611-17:42:03.486|
553=Trader1|58=Success|10=234|

Notes

Failed logon returns Text (58) with error description
Chart data logins (372=V) exempt from account requirements
Session properties apply to all traders