Hello, trying to add checkout validation function from typescript boilerplate and test it on my dev store. But function doesn’t triggered at all, i’ve read i should add it to store settings
https://admin.shopify.com/store/STORE/settings/checkout
in Checkout Rules section
but i see only this message:
“There are no apps installed with rules for checkout or cart. Visit the Shopify App Store to install one.”
How it should work? and what i did wrong, thanks