From Multi Theft Auto: Wiki
This event is triggered when a user logs out of their account in-game.
account thePreviousAccount, account theCurrentAccount
- thePreviousAccount: the account the client was logged in as.
- theCurrentAccount: the account the client is a part of now (usually a guest account).
The source of this event is the player that logged out.
If you cancel this event the player will not be logged out.
This example displays a message if the player logs out.
function loggedOut() outputChatBox( "You have successfully logged out!", source ) end addEventHandler("onPlayerLogout",getRootElement(),loggedOut)