# Needed Feature: Inverse Relation **URL:** \ **Category:** Feature Requests\ **Created:** [March 31, 2020, 3:39pm UTC](https://community.glideapps.com/t/needed-feature-inverse-relation/6201 "2020-03-31T15:39:48Z")\ **Posts on this page:** 1\ **Showing post:** 7
**Author:** ![Jeff\_Hager](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/jeff_hager/32/43_2.png) [@Jeff\_Hager](https://community.glideapps.com/u/Jeff_Hager)\ **Post date:** [December 27, 2020, 6:43am UTC](https://community.glideapps.com/t/needed-feature-inverse-relation/6201/7 "2020-12-27T06:43:10Z")
Agreed! Any case I’ve ran into involves the need to filter a relation inside the data editor to properly calculate rollups. There’s no way possible without some ugly workarounds. Sometimes we need to manipulate this data before we get to the visual user side of the app. I’ll just place this link here as well. 😉 > [@Conditional Relations](https://community.glideapps.com/t/conditional-relations/13818): > > I know myself and others have made this case before, but I’d like to mention it again. I think it would be hugely benificial to be able to apply IF conditions within Relation settings. My use case for this is to get the unpaid dollar amount from unpaid invoices. I have invoices for students that, let’s say, are billed monthly. The user creates the billing period for a particular month, and any lessons that have occured within that billing period are automatically included in that invoice. In… --- _[View the full topic](https://community.glideapps.com/t/needed-feature-inverse-relation/6201)._