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 "Update Project Group" 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 group ID*
The ID of the project group you want to update
Name
The new name of the project group
External ID
Project Group External ID
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.
Your Zap is now ready for use!