Record conversions on your web store with Facebook Pixel.
1. Install your Facebook Pixel on your Shop's Meta Tag section.
2. Setup custom pixel events on Facebook.
To learn how to create custom events on Facebook please visit: https://www.facebook.com/business/help/780705975381000?id=1205376682832142
3. You can create 3 different events to mark milestones in the checkout process:
"Initiate checkout" can be used in the in the page were billing information is entered https://www.URL.com/checkout/
"Add payment method" can be used on: https://www.URL.com/checkout/payment/
"Sale" can be used on https://www.URL.com/checkout/success/