Step 2. Getting a clientId using a special GA4 parameter

Client ID is a unique identifier that Google Analytics assigns to your browser when you visit a website. Using it, Google Analytics combines different sessions into a single user.

To get the clientId, you need to go to your Google Analytics 4 account and add a special parameter. You can do this by going to Administrator > Account Settings > Special Definitions.

Click the “Create special parameter” button and specify the following data:

Parameter name - analyticsCookieId
Scope - “User”
User properties - analyticsCookieId

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Step 1. Adding a site to Google Analytics

To track information about sources, the system uses data collected by the Google Analytics service in a resource of the type Google Analytics 4

Step 3. Setting up ecommerce tracking of a Google Analytics 4 account

After registering a Google Analytics 4 account, you should set up ecommerce tracking. The **Google Analytics 4** tracking code is a JavaScript script that is run by the website visitor's browser. With the help of the tracking code, data about the visitor’s actions on the website will be sent to Google Analytics.

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Step 2. Getting a clientId using a special GA4 parameter