How do I add an abandoned cart email to Shopify?

To set up abandoned cart emails on Shopify:

1. Go to "Settings" in your Shopify store and click "Checkout".
2. Go to the Abandoned Checkout section and check the "Automatically send abandoned checkout emails" option.
3. Go to "Send to" and select "Anyone who abandons a checkout" as your email audience.
4. Choose the time for sending emails under the "Send After" option.
5. Hit the Save button, and your abandoned cart email is added to Shopify.

P.S. You can also use email providers such as MailChimp to send abandoned cart emails.