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How do I set up custom events in Google Tag Manager for GA4?

Asked on Nov 11, 2025

Answer

Setting up custom events in Google Tag Manager (GTM) for Google Analytics 4 (GA4) involves creating a new tag to track specific interactions on your website. This process allows you to capture detailed user behavior data that is not automatically collected by default.

<!-- BEGIN COPY / PASTE -->
    1. Open Google Tag Manager and click on "Tags" in the left-hand menu.
    2. Click on "New" and select "Tag Configuration."
    3. Choose "Google Analytics: GA4 Event" as the tag type.
    4. Enter your GA4 Measurement ID in the "Configuration Tag" field.
    5. Name your event in the "Event Name" field (e.g., 'custom_event').
    6. Add any parameters you want to track (e.g., 'category', 'action').
    7. Set the trigger to define when the event should fire (e.g., on a button click).
    8. Save and publish your changes in GTM.
    <!-- END COPY / PASTE -->

Additional Comment:

Ensure your GA4 property is properly linked to GTM by using the correct Measurement ID.
Test your setup using GTM's Preview mode to confirm that events are firing as expected.
Custom events can be reviewed in GA4 under Reports → Engagement → Events.
Consider naming conventions for events to maintain consistency and clarity in reporting.

✅ Answered with Analytics best practices.

Ask any question about Analytics & Tracking here... and get an instant response.

How do I set up custom events in Google Tag Manager for GA4?

Asked on Nov 11, 2025

Answer

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