I've followed the below instruction for Shopify and Klaviyo integration but even after doing it the syncing between 2 platforms doesn't work:
In Klaviyo I've selected both:
Subscribe customer who Accept Marketing to a Klaviyo List and
After doing this I still see a separate list in Klaviyo and a separate list of subscribers in Shopify. I've tested this by subscribing myself with new email but still no syncing.
Can someone help please?