How to 'mod' someone on Twitch, and appoint them as a moderator for your channel

To mod someone on Twitch, you can use either the /mod command, or open the user's profile inside your chatroom.

How to set up text-to-speech donations on Twitch so that donors can have their messages read aloud

You can set up text-to-speech donations on your Twitch channel through a Streamlabs widget called an "Alert Box." ...