You need this to get it done:
Action DetailsRequirements and how-to articles for Steam's action:
Google Analytics Account
A Google Analytics account is required. Create one if you do not have one already.
Create a new account and property in Analytics for your store page/community hub. You'll need to set the "Web Site URL" field above to be the URL of the page you will be using the tracking code for.
If you are tracking your store page, you will need to use this URL format: store.steampowered.com
If you are tracking your community hub, you will need to use this URL format: www.steamcommunity.com
Enabling Google Analytics in Steamworks
After creating a Tracking ID, see the official Steamworks documentation for the steps to enabling Google Analytics on your store page/community hub.