Step 1 - Install the extension:
Go here and install the FaZe Controller extension. After that, make sure you activate it in one of the panels on your Twitch profile. Also, make sure you are a Twitch partner so you are able to receive bits.
Step 2 - Get OBS overlay URL:
To add the overlay web page over your stream, you need to get a unique URL by going to this page. Enter your Twitch username and click on “Sign up with Twitch”. After that, you will see additional information along with the URL.
Step 3 - Add the URL Over Your Stream (OBS):
A) Under ‘Sources’ click the ‘+’ button and select ‘Browser’ from the dropdown.
B) Copy the fields below and paste them in the URL, width and height categories. Note: If you are using a different display, replace the width and height with that display’s width and height in pixels.