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What is answer piping?

Answer piping inserts a respondent’s previous form inputs into later questions or text fields for a more personalized and interactive experience. Fillout lets you reference:

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Reference field labels

To reference previous form inputs in headings, paragraphs, and banners, type @. Then, select the field or question, or simply search for it. Screenshot of the Form designer tab of a form Test your form by clicking Preview in the upper right corner. Screenshot of the Form designer tab of a form
Need help troubleshooting? Our team can help. Send an email to support@fillout.com.

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Reference integration records

If your form is set to update an existing record in an integration (e.g., in Airtable or HubSpot), you can display values from that record in your form. In your heading or paragraph, type @. Then, click followed by Updating records to choose the field you’d like to display. Screenshot 2026 03 05 At 7 23 15 PM In our example, we’ll reference a client’s name and project details. Screenshot 2026 03 05 At 7 24 17 PM

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Reference answer fields

Reference inputs in answer text fields and choice fields by pre-filling. Fillout also let’s you show or a hide a question or field based on previous form inputs via Logic in the right-hand panel. Check out this quick guide.

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Reference subform values

You can insert data from a subform into your main form. Learn how to here.

Hide fields

Hide or show fields based on answers, URL parameters or data.

Use dynamic data

Display content to hide, validate and pre-fill fields.

Placeholders

Add text to guide respondents’ answers or choices.