TRADER LOGON RESPONSE [35=UCI]

TRADER LOGON RESPONSE [35=UCI]

The Trader Logon Response message confirms or rejects Trader Logon attempts.

Response Indicators

Success: Text (58) = “Success”
Failure: Text (58) = Error description
Failed logon doesn't disconnect FIX session

Message Specification

Message Direction: T4 → Client

Tag	Field Name	Type	Req'd	Description
	Message Header		Y	MsgType = UCI
553	UserName	String	Y	T4 Trader username
58	Text	String	Y	Success or failure reason
	Message Trailer		Y

Sample Messages

Successful Response:

8=FIX.4.2|9=100|35=UCI|49=test|56=T4Test|50=T4FIX|52=20150612-15:35:03.725|
553=Trader1|58=Success|10=234|

Failed Response (Bad Password):

8=FIX.4.2|9=150|35=UCI|49=test|56=T4Test|50=T4FIX|52=20150612-15:34:50.261|
553=Trader1|58=Login failed: most likely incorrect trader and password combination|10=234|

Notes

Session continues after failed trader logon
Master User and other authenticated traders remain connected
Trader must have assigned accounts/exchanges for success

Table of Contents

TRADER LOGON RESPONSE [35=UCI]

Response Indicators

Message Specification

Sample Messages

Notes