What is conditional logic?
Conditional logic allows you to make forms that adapt to a respondent’s answers. Fillout lets youSet conditional logic based on:
- - previous form inputs
- - URL parameters
- - calculations
- - custom dates
- - enriched emails with company information
- - quiz scores
How to specify a condition
Set a condition
At the bottom, click .
In this example, we’ll only add contacts to our Klaviyo newsletter if they will attend the movie screening. Click 
That’s it! Now, newsletters will only be sent to those who will attend the screening. Note that you can do this for any integration type, like Airtable, HubSpot and many more.

+ Add condition. Choose the field or question on the left followed by the relevant option on the right.
