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The ‘utm_source_platform’ is a key of a UTM parameter which is used to send the name of the marketing platform which sent traffic to your website when you are using a multi-platform ad network.

GA4 often reports the following values for the ‘utm_source_platform’ key:

  • Google Ads.
  • Manual.
  • Shopping Free Listing.
  • Search Ads 360.
  • Display & Video 360 etc.

Where can you find the values of the ‘utm_source_platform’ key in GA4?

You can see the values of the ‘utm_source_platform’ key in GA4 through the following dimensions:

  1. Source platform
  2. Session source platform
  3. First user source platform

Where can you find the value of the ‘utm_source_platform’ key in GA4 BigQuery?

You can find the value of the ‘utm_source_platform’ key in GA4 BigQuery via the ‘manual_source_platform‘ field under ‘collected_traffic_source‘:

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