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Logon Traders

Under an established FIX Session, multiple traders/users can be authenticated with the Trader Logon message. Trader Logons allow order routing for multiple traders under the the same physical connection of the FIX Session. Trader Logons must follow the successful FIX Logon of the initial Master User.

The FIX API responds to Trader Logons with the Trader Logon Response message. With this message, the FIX API client can determine the success or failure of the Trader Logon attempt by the Master User.

Relevant Tags

The Trader Logon Response indicates the success or failure of the Trader Logon attempt in the Text tag (Tag 58). The Trader/User (whose attempt would apply to) is indicated in the UserName tag (Tag 553).

Tag NameTag NumberDescription
UserName553T4 User
Text58Description of Trader Logon attempt

A successful authentication of a Trader Logon is acknowledged with a Trader Logon Response that contains a Success description in the Text tag (Tag 58). Failure to provide the correct parameters in the Trader Logon message will result in a Trader Logon Response failure. A failed Trader Logon Response message will be sent to the client with a non-Success (i.e. Failed) description in the Text tag.

A failed Trader Logon Response does not result in a physical disconnection. The FIX Session continues with the participation of the Master User and other traders that were previously authenticated and remained logged in.

Trader/User Configuration

For a successful Trader Logon, the T4 FIX API requires the Trader/User to have previously assigned accounts and exchanges. Before FIX API usage, the Trader/User is required to complete Market Data Requirements through its firm setup page. Lack of proper configuration will result in a failed Trader Logon Response - indicating the lack of account or exchange assignment for the violating User. This requirement is not applied for Chart data logins (Tag 372=V).

Message Dictionary

TagField NameReq'dComments
Standard HeaderYMsgType = UCI
49SenderCompIDYT4 Application Name (inbound trader login into FIX API server). T4 Firm Name (outbound trader login response from FIX API server).
56TargetCompIDYT4 Firm Name (inbound trader login into FIX API server). T4 Application Name (outbound trader login response from FIX API server).
BodyY
553UserNameYT4 User
58TextYDescription of Trader Logon Result
Standard TrailerY

Sample

In this example, the T4 FIX API client requests the start of a FIX Session. The client enables the Multi-Trader mode (with Tag 372=UCG). The login request's success is signaled by a Login message response from the T4 FIX API. This establishes the FIX Session with the Master User. Subsequently, the client sends a Trader Logon to authenticate a new Trader/User under the current FIX Session. The Trader Logon attempt fails per an incorrect password as shown in the Trader Logon Response message sent by the FIX API. The client repeats the attempt to authenticate the trader by supplying the correct password in a Trader Logon message. The FIX API responds with a Trader Logon Response message describing its success. Finally, the client requests the termination of the FIX Session with a FIX Logout message. The FIX API responds with a FIX Logout indicating the end of the FIX session.

Login Request from T4 FIX API Client
>> 6/12/2015 10:34:35 AM   [FIXLOGIN] 34=1|49=T4Test|56=test|50=MasterUser|52=20150612-15:34:35.865|91=64768859-3ACF-4224-A4E9-DA66901AFC63|90=36|98=None|108=25|553=MasterUser|554=_good_password_|384=3|372=BB|372=d|372=UCG|
[FIXLOGIN]
[MsgSeqNum] 34 = 1
[SenderCompID] 49 = T4Test
[TargetCompID] 56 = test
[SenderSubID] 50 = MasterUser
[SendingTime] 52 = 20150612-15:34:35.865
[SecureData] 91 = 64768859-3ACF-4224-A4E9-DA66901AFC63
[SecureDataLen] 90 = 36
[EncryptMethod] 98 = None
[HeartBtInt] 108 = 25
[UserName] 553 = MasterUser
[Password] 554 = _good_password_
[NoMsgTypes] 384 = 3
[RefMsgType] 372 = BB (DISABLE_ACCOUNT_AUTOSUBSCRIPTION)
[RefMsgType] 372 = d (DISABLE_PORTFOLIO_LISTING)
[RefMsgType] 372 = UCG (ENABLE_TRADER_LOGINS)

Successful Login Response from T4 FIX API
<< 6/12/2015 10:34:36 AM  [fixlogin] 34=1|49=test|56=T4Test|50=T4FIX|52=20150612-15:34:35.993|98=0|108=30|553=MasterUser|554=***|1408=4.3.34.5|
[FIXLOGIN]
[MsgSeqNum] 34 = 1
[SenderCompID] 49 = test
[TargetCompID] 56 = T4Test
[SenderSubID] 50 = T4FIX
[SendingTime] 52 = 20150612-15:34:35.993
[EncryptMethod] 98 = 0 (NONE)
[HeartBtInt] 108 = 30
[UserName] 553 = MasterUser
[Password] 554 = ***
[DefaultCstmApplVerID] 1408 = 4.3.34.5

Trader Logon Request from T4 FIX API Client - Bad Password
>> 6/12/2015 10:34:50 AM   [FIXTRADERLOGIN] 34=2|49=T4Test|56=test|52=20150612-15:34:50.182|91=64768859-3ACF-4224-A4E9-DA66901AFC63|90=36|553=Trader1|554=_bad_password_|
[FIXTRADERLOGIN]
[MsgSeqNum] 34 = 2
[SenderCompID] 49 = T4Test
[TargetCompID] 56 = test
[SendingTime] 52 = 20150612-15:34:50.182
[SecureData] 91 = 64768859-3ACF-4224-A4E9-DA66901AFC63
[SecureDataLen] 90 = 36
[UserName] 553 = Trader1
[Password] 554 = _bad_password_

Failed Trader Logon Response from T4 FIX API
<< 6/12/2015 10:34:50 AM  [fixtraderloginresponse] 34=2|49=test|56=T4Test|50=T4FIX|52=20150612-15:34:50.261|553=Trader1|58=Login failed: most likely incorrect trader and password combination|
[FIXTRADERLOGINRESPONSE]
[MsgSeqNum] 34 = 2
[SenderCompID] 49 = test
[TargetCompID] 56 = T4Test
[SenderSubID] 50 = T4FIX
[SendingTime] 52 = 20150612-15:34:50.261
[UserName] 553 = Trader1
[Text] 58 = Login failed: most likely incorrect trader and password combination

Trader Logon Request from T4 FIX API Client - Good Password
>> 6/12/2015 10:35:03 AM   [FIXTRADERLOGIN] 34=3|49=T4Test|56=test|52=20150612-15:35:03.186|91=64768859-3ACF-4224-A4E9-DA66901AFC63|90=36|553=Trader1|554=_good_password_|
[FIXTRADERLOGIN]
[MsgSeqNum] 34 = 3
[SenderCompID] 49 = T4Test
[TargetCompID] 56 = test
[SendingTime] 52 = 20150612-15:35:03.186
[SecureData] 91 = 64768859-3ACF-4224-A4E9-DA66901AFC63
[SecureDataLen] 90 = 36
[UserName] 553 = Trader1
[Password] 554 = _good_password_

Successful Trader Logon Response from T4 FIX API
<< 6/12/2015 10:35:03 AM  [fixtraderloginresponse] 34=3|49=test|56=T4Test|50=T4FIX|52=20150612-15:35:03.725|553=Trader1|58=Success|
[FIXTRADERLOGINRESPONSE]
[MsgSeqNum] 34 = 3
[SenderCompID] 49 = test
[TargetCompID] 56 = T4Test
[SenderSubID] 50 = T4FIX
[SendingTime] 52 = 20150612-15:35:03.725
[UserName] 553 = Trader1
[Text] 58 = Success

Logout Request from T4 FIX API Client
>> 6/12/2015 10:35:09 AM   [FIXLOGOUT] 34=4|49=T4Test|56=test|52=20150612-15:35:09.786|
[FIXLOGOUT]
[MsgSeqNum] 34 = 4
[SenderCompID] 49 = T4Test
[TargetCompID] 56 = test
[SendingTime] 52 = 20150612-15:35:09.786

Successful Logout Response from T4 FIX API
<< 6/12/2015 10:35:09 AM  [fixlogout] 34=4|49=test|56=T4Test|52=20150612-15:35:09.787|58=Successful logout upon request|
[FIXLOGOUT]
[MsgSeqNum] 34 = 4
[SenderCompID] 49 = test
[TargetCompID] 56 = T4Test
[SendingTime] 52 = 20150612-15:35:09.787
[Text] 58 = Successful logout upon request

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