Hi @odan thanks for reaching out to the Community today!

It’s possible that the collection is not showing up in Klaviyo if no one has yet placed an order with an item listed in that collection since you created it.

Creating the collection in Klaviyo is great because you’ll be able to highlight it using product blocks. When segmenting however, the collections filter pulls from metric data (i.e., placed order) from Shopify. 

To test your segment quickly, you can create a test order in your Shopify account with items from that collection. When you see your order come through in Klaviyo (you can check in Analytics > metrics > placed order > activity feed), you can click your order’s timestamp to see the metric details and ensure that the collection name is included. Then you should be able to use it in segmentation.

I hope this helps!

I have this same problem. I created 6 new collections. Three of them are available for use in segments and three are not. They are set up the same except their names and what items are in them. I created orders with products in each and completed purchase, and the activity feed shows that correctly. No change to the 3 unavailable collections. Logging in and out changes nothing.

Of the 3 that are showing up, at first, they would not either. Then after 10-15 minutes they did. It’s been two hours on the others. Nothing. 

This feature is obviously broken or so cumbersome that it basically is.