Twitch prohibits unlicensed gambling streams as influential streamers threaten strike | Eurogamer.

Twitch finally enforces gambling ban with new policy\n\n The guidelines also note that you can no longer share links or affiliate codes to these sites, and noted three ways to receive a strike on your channel.

Select the sporting event you want to bet on. Select the betting market and the type of bet you want to make. Enter the amount of money that you want to wager. Click on 'Place Bet' to confirm your wager.