This is an Action, and will require a Trigger for step #1. This guide will handle step #2 of the Zap.
After setting up step #1 of your zap, select Fonn as your app for step #2.
Select "Get Issues" as your Action Event.
When selecting a Fonn account, Zapier will ask you for an application token. 
If you are unsure on how to find your token in Fonn, click here.
Which data goes where?
* = Required
Project ID*
The ID of the project
Text filter
Any text that should be used to filter issues
Page number
How many pages of issues you want to fetch
Issues per page
How many issues per page
Hide resolved
Should the Zap return resolved issues?
After data has been filled in
You can now perform a test of your Zap. If you prefer not to test your Zap before activation, you can choose to skip test.
Set up your third step, using the data you got from 'Get issues' and your Zap will be ready for use!