What does the collection add-to-cart add-on do?
Activating a collection Add-to-cart Add-On enables your buyers to effortlessly head straight to their shopping cart and finalize their purchase.
Activate your Collection Add-to-cart Add-On
Go to your Shopify Admin, select Online Store.
Select your Debutify 3.0 theme and click on Customize.
Tap Theme Settings.
Go to Debutify add-ons.
Check the Collection add-to-cart option to activate this Add-On.
Click on Save to confirm changes.