# Find dependancy Component(s) & Screen(s) per Column

**URL:** <https://community.glideapps.com/t/find-dependancy-component-s-screen-s-per-column/25792>\
**Category:** Feature Requests\
**Created:** [April 20, 2021, 7:18am UTC](https://community.glideapps.com/t/find-dependancy-component-s-screen-s-per-column/25792 "2021-04-20T07:18:00Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![AyS\_0908](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/ays_0908/32/27349_2.png) [@AyS\_0908](https://community.glideapps.com/u/AyS_0908)\
**Post date:** [April 20, 2021, 7:18am UTC](https://community.glideapps.com/t/find-dependancy-component-s-screen-s-per-column/25792/1 "2021-04-20T07:18:00Z")

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Hi, it has for sure already been required but I don’t find where.  
Use case: yesterday, @Jeff_Hager had the “bad idea” to solve one of my issue; it led me to delete a misfunctioning Relation-Lookup… one of the key one of my app. I spent hours to review each of my hundreds of components to check whether or not they depend on the Lookup…

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**Author:** ![Mark\_Turrell](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/mark_turrell/32/26605_2.png) [@Mark\_Turrell](https://community.glideapps.com/u/Mark_Turrell)\
**Post date:** [April 20, 2021, 7:29am UTC](https://community.glideapps.com/t/find-dependancy-component-s-screen-s-per-column/25792/2 "2021-04-20T07:29:30Z")

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I get very sad when I delete things that are needed

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**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:** [April 20, 2021, 11:38am UTC](https://community.glideapps.com/t/find-dependancy-component-s-screen-s-per-column/25792/3 "2021-04-20T11:38:33Z")

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> [@Data Definition View](https://community.glideapps.com/t/data-definition-view/25589):
>
> As someone managing and maintaining a complex application (~85 columns a sheet), or as someone who would like to design a solution before populating a spreadsheet, I WOULD LOVE a data definition view as an option in the data editor. Currently, I’m having to document the combined view of the spreadsheet columns and glide columns by had to keep track and document what is being built. E.g. in CSV Name, data type, user-specific, relationship or link, spreadsheet or glide, category, purpose Email,…