To change the time interval that the Abandoned Checkout email is sent out, you will actually need to adjust that from your Shopify settings.
Here are the step-by-step instructions on how to do so:
1. From your Shopify dashboard, click "Settings" in the button left hand corner:
2. Click on "Checkout":
3. Scroll towards the bottom of the page until you see “Abandoned Checkout”.
Please reach out to [email protected] or through the in-app chat if you have any questions!