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What is Tag Manager?

Google Tag Manager is a free tool that allows you to manage and deploy marketing tags on your website without editing the code. It simplifies tracking and analytics for better insights and optimization.

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How it works

1

Link your Fillout form to Tag Manager

First, open your Fillout form or create a new one. Then, navigate to Integrate from the top menu and look for Tag Manager.Screenshot 2025-11-12 at 3.52.44 PM.pngConnect a custom domain to get started. Follow the quick instructions in the next screen to enter your Google Tag Manager container ID.
Only admins will be able to add a custom domain.
2

Add triggers

In your Tag Manager Workspace, head over to Variables from the left panel and click Configure.Screenshot of the Integrate tab of a formScroll down and **tick **all variables under Clicks and Forms.Screenshot of the Integrate tab of a formThen, go back to your Workspace. Click Tags in the left panel followed by New.In Tag Configuration, we’ll choose Google Analytics. Copy and paste the Measurement ID and enter an Event Name.Screenshot of the Integrate tab of a formClick Save in the upper right corner, then Add Trigger. Click + on the right corner and set your preferences. In our example, we’ll fire the trigger when respondents click the submit button in the Fillout form.Screenshot of the Integrate tab of a formPreview the setup on Google Tag Manager. Once everything’s good, click Submit.
3

Publish and share

Go back to your Fillout form to Finish setup and Publish.

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