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Hidden Fields allow you to capture and store extra data about your visitors without displaying anything on the page. This data is automatically saved with the lead when the form or quiz is submitted. They are mainly used for tracking and attribution, helping you understand where your leads are coming from.

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How to Add a Hidden Field

Open your landing page and click Edit Quiz to enter the builder. Click Add Block and select Hidden Field. Once added, click on the block to configure it. Set the Name of the field. This should match the parameter you want to capture, such as utm_source or aff_id. Leave the Default Value empty if you plan to pass values dynamically through the URL. Click Update, then exit the builder and Publish or Republish your landing page.

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How Hidden Fields Work

Hidden Fields automatically capture values from URL parameters. For example, if your page URL contains: ?utm_source=facebook And your Hidden Field is named: utm_source Then the value facebook will be captured and stored with the lead. The parameter name in the URL must match the field name (it is not case-sensitive)

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Common Use Cases

Affiliate Tracking
You can track which partner or affiliate generated a lead. Create a Hidden Field named aff_id, and use links like:
?aff_id=12345 When a user lands on the page, the value is captured and stored with the lead. UTM Tracking
You can capture campaign and traffic data using standard UTM parameters:
  • utm_source (e.g., Facebook, Google)
  • utm_medium (e.g., CPC, email)
  • utm_campaign (campaign name)
For example:
?utm_source=google&utm_medium=cpc&utm_campaign=summer_sale Each value will automatically be saved in the corresponding Hidden Field.

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Important Notes

The field name must match the URL parameter exactly. Hidden Fields are not visible to users at any point. All captured values are automatically sent along with the lead data. If you want dynamic tracking, always leave the Default Value empty.