I am experimenting using conditional statements in my email. I have a condition if a user has “fashion” as interested category, and am trying to add, or if they have joined in the last 90 days. I have a flow that creates a custom property, and sets it as the day the user joins the list. I am utilising the filter timesince so I can filter out those who are greater than 90 days.
![](https://uploads-us-west-2.insided.com/klaviyo-en/attachment/2d3166d4-c035-4505-aa4f-85bfa42b9f54.png)
When I try this code, it saves fine, and I can preview for those who don’t have that specific property. However if I preview for someone with the property, I receive
![](https://uploads-us-west-2.insided.com/klaviyo-en/attachment/edb3ac88-6c5b-40f5-a4ae-4617a2a26df1.png)