A feature that allows you to create ranks using the default viewer/subscriber ranks. This will allow you to put tags in front of players names. Example of this would be, player receives currency for staying in stream. With the currency he decides to spend 100 “coins” on “God Teir”, now his name is instead of “xTekBlue” is now, “[God-Like] xTekBlue”
That isn’t something Twitch or YouTube support, so it wouldn’t be possible.