# Alternative to parentRow in formula?

**URL:** <https://connect.superhuman.com/t/alternative-to-parentrow-in-formula/55774>\
**Category:** Ask the Community\
**Created:** [May 21, 2025, 7:24pm UTC](https://connect.superhuman.com/t/alternative-to-parentrow-in-formula/55774 "2025-05-21T19:24:30Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Melanie\_Teh](https://yyz1.discourse-cdn.com/coda1/user_avatar/connect.superhuman.com/melanie_teh/32/45501_2.png) [@Melanie\_Teh](https://connect.superhuman.com/u/Melanie_Teh)\
**Post date:** [May 21, 2025, 7:43pm UTC](https://connect.superhuman.com/t/alternative-to-parentrow-in-formula/55774/2 "2025-05-21T19:43:22Z")

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👋 @Balint_Drahota

i think what youre describing is a BOM (Bill of Materials) setup.

below is a link to a template that @Connor_McCormick1 has kindly shared a solution to 🙂

> [@Inventory System Template | Item Schema | BOM](https://connect.superhuman.com/t/inventory-system-template-item-schema-bom/25231):
>
> Hi Community, Here’s another doc I wanted to share with you! I’ve built many inventory systems for my own company and for other people, and I frequently ran into complications. Finally, I think I’ve found a pattern that makes for a great starting point, so I wanted to share my inventory superpowers with the community slight_smile Reach for this template whenever you need to keep track of items that contain sub-items. Here’s a loom that gives you an intro to the doc: [Intro to Item Schema…](https://www.loom.com/share/a5fd8e2ee7334a8e9d9bc7af49983a5a)

hope this helps!

Cheers!  
Mel

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