Logon GUILD.php

Logon.php

This module handles how the org/guest buddies are announced by the bot when they are coming online or offline. You can set various elements via

!settings Logon

So you can set how you manage alts/mains, guests, and few more details.

You also should check those pages to understand other related features :

From Core Logon_Notify http://wiki.bebot.link/index.php/Logon

From Module Notify http://wiki.bebot.link/index.php/Notify.php