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How can I set up a custom event in Google Tag Manager for GA4?

Asked on Oct 29, 2025

Answer

To set up a custom event in Google Tag Manager (GTM) for Google Analytics 4 (GA4), you'll need to create a new tag that sends event data to your GA4 property. This involves configuring the tag with the appropriate event parameters and triggers.

<!-- BEGIN COPY / PASTE -->
    1. Open Google Tag Manager and click on "Tags" in the left-hand menu.
    2. Click "New" to create a new tag.
    3. Choose "Google Analytics: GA4 Event" as the tag type.
    4. Select your GA4 Configuration Tag from the dropdown.
    5. Enter the Event Name (e.g., "custom_event").
    6. Add Event Parameters as needed (e.g., parameter name: "value").
    7. Set up a Trigger to fire the tag (e.g., "All Pages" or a specific event).
    8. Save the tag and publish your container.
    <!-- END COPY / PASTE -->

Additional Comment:

Ensure your GA4 Configuration Tag is already set up before creating the event tag.
Test your tag using GTM's Preview mode to verify it fires correctly.
Check the Realtime report in GA4 to confirm event data is being received.
Use descriptive event names and parameters for easier reporting and analysis.

✅ Answered with Analytics best practices.

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

How can I set up a custom event in Google Tag Manager for GA4?

Asked on Oct 29, 2025

Answer

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