# Logout (35=5)

`Logout (35=5)` message initiates or confirms the termination of a FIX session.

<table><thead><tr><th width="87">Tag</th><th width="155">Field Name</th><th width="111">Data Type</th><th width="78">Req’d</th><th>Description</th></tr></thead><tbody><tr><td>58</td><td>Text</td><td>String</td><td>N</td><td>Reason for logout.</td></tr><tr><td>789</td><td>NextExpectedMsgSeqNum</td><td>SeqNum</td><td>Y</td><td>Next expected <code>MsgSeqNum (34)</code> value to be received.</td></tr></tbody></table>