make sale collection. compare at price 0 -> NOT WORKING how to do without compare price

Store Design
,
1

hello i wam wondering how i cann make a sale only collection with all sale items in the shop.

i looked online and the COMPARE-AT-PRICE SET TO 0 IS NOT WORKING!!!

so i am looking for a other/better way to make sale collection.

thanks in advance! :slightly_smiling_face: