Google Analytics 4 Dimensions

First user manual source

Definition: This is the source associated with the beginning of a session.

How it’s calculated: When you successfully send UTM parameters in a website’s click URL or the campaign_details event in a mobile app, the dimension is populated.

Related Metrics

CM360 placement ID
Link classes
Item category 5
Google Ads ad group name
SA360 creative format
First user source / medium

Web Analytics & Insights Google Analytics 4 Dimensions First user manual source

Metric Categories:

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