====== LOGOUT [35=5] ======

The Logout message terminates a FIX session.

===== Message Specification =====

**Message Direction:** Bidirectional

^ Tag ^ Field Name ^ Type ^ Req'd ^ Description ^
| | **Message Header** | | Y | MsgType = 5 |
| 58 | Text | String | O | Logout reason or status |
| | **Message Trailer** | | Y | |

===== Sample Messages =====

**Client Logout Request:**
<code>
8=FIX.4.2|9=50|35=5|49=T4Example|56=T4|52=20120904-22:13:57.789|10=123|
</code>

**Server Logout Response:**
<code>
8=FIX.4.2|9=100|35=5|49=T4|56=T4Example|50=T4FIX|52=20120904-22:13:57.789|
58=Successful logout upon request|10=234|
</code>

===== Notes =====
  * Initiator should wait for response before disconnecting
  * Failed authentication returns Logout with error in Text (58)
  * Physical disconnect without Logout is abnormal
  * New session requires sequence reset to 1