Important: in GA4 you will not be able to get the Client ID via API, this is only possible by uploading data to BigQuery. If this parameter is important to you, there are two options:
transfer it to Google Analytics 4 yourself (with data loss and inaccurate statistics);
upload your data to Google BigQuery (this is an additional cost, although usually not very significant).
5. Analysis of a specific user. Here, a report is generated on the slovenia cell phone number list events of a specific Client ID. In the history mode, you see all the actions that a person performed on the site/in the application. Such a report is needed, for example, to understand why a user went through the entire funnel, but the sale was not counted for him. A similar tool was in Universal Analytics.
Important: try to identify your audience as much as possible using User-ID (transferring the ID of a specific client, not a user), if you have registration/authorization.
Migrating to Google Analytics 4: Pitfalls and Best Practices - Image 6
6. Funnel analysis. Multi-channel funnels were also in Universal Analytics. It was a report that showed the path a customer took before landing on your site and making a certain conversion. Now Google Analytics 4 automatically calculates the contribution of each stage of the path to the conversion. That is, you can determine what influenced the user to a greater or lesser extent.
Important: Data should only be trusted on big data.
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Who needs Google Analytics 4
As we have already figured out, Google Analytics 4 is a professional analytics system that allows you to manage campaigns based on their real impact on the result and manage CJM based on relevant analysis of user behavior. Let's define right away when you definitely do not need Google Analytics 4: