Pre-fill fields

Set a default value to pre-populate form fields, based on previous inputs, URL parameters or even information from 3rd party integrations.

How to pre-fill a field

You can pre-fill Fillout questions with either static or dynamic data from integrations like Airtable and Notion. To set the pre-fill value, click a field. On the right-hand panel, click + to look for a default value.
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Pre-fill basics

You can set a fixed value as the pre-fill by just typing some text under Default value.
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If you click the blue + icon, you can pre-fill the field with:
  • Answer to another Fillout field

Pre-fill with external data like Airtable or Notion

See reading and referencing external data. Here's an example of referencing data from the Airtable record the form is editing.
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Pre-fill an integration with a fixed/static value

Pre-fill using a custom date

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Other advanced features

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URL Parameters/Hidden fields
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Add custom values to answer options