[Opserty]

I doubt you can actually set it in a thread title, since they are stored as in the database and not parsed by any sort of code. There are a number of ways that you may be able to do this, one option would be to:

1. Create the new thread with the content and title of whatever you would like. (Note: The thread title will be show to guests so make sure it is appropriate)
   
2. View the thread and make a note of the threadid it will be the number at the end of the showthread.php URL. (For example: https://vborg.vbsupport.ru/showthread.php?t=163489 it is the number in bold)
   
3. Go to the Plugin Manager in the AdminCP and create a new plugin for "threadbit_display" and use the following PHP code:
   
   PHP Code:

   if(intval($thread['threadid']) == 8 && $vbulletin->userinfo['userid'])
{
    $thread['threadtitle'] = 'Hey '. $vbulletin->userinfo['username'] .'! Are you on the member map?';
} 

4. Remember to change the number 8 to your threadid which you found in step 2
   
5. I'm not sure how this will affect performance though since you will be running this check quite often, I don't know if there is a more efficient way to do this.