Enable Twitch Tray Icon
You can enable the Twitch Tray Icon on your website from Admin -> Settings -> Twitch section.
Tray Mode & Module Feeds
From here you can also set the tray module and select the module to feed data from for notifications. The Tray mode and module feed options are explained below:
Website - Feed notifications for authorised streamers (Members) of your website.
Module - Feed notifications from your Twitch stream modules.
Twitch Showcase Module
Stream List Module