# "Where am I using this data" tooltip in Data Editor

**URL:** <https://community.glideapps.com/t/where-am-i-using-this-data-tooltip-in-data-editor/16140>\
**Category:** Ask for Help\
**Created:** [September 21, 2020, 3:48pm UTC](https://community.glideapps.com/t/where-am-i-using-this-data-tooltip-in-data-editor/16140 "2020-09-21T15:48:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Ian\_Janicki](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/ian_janicki/32/2362_2.png) [@Ian\_Janicki](https://community.glideapps.com/u/Ian_Janicki)\
**Post date:** [September 21, 2020, 3:48pm UTC](https://community.glideapps.com/t/where-am-i-using-this-data-tooltip-in-data-editor/16140/1 "2020-09-21T15:48:00Z")

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When Glide apps become more complex, it can be hard to know where data from a spreadsheet is being used! It would be great to have an icon in a column header in the Data Editor, that has a tooltip that has a list of **where** that specific of column of data is being used. It could be directly in the app, or maybe it’s helping out another column.

When your app gets complex and needs [‘refactoring’](https://en.wikipedia.org/wiki/Code_refactoring) — it could be really helpful to know which columns are being used, and which are stale (you could even grey-out stale columns!).

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**Author:** ![ThinhDinh](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/thinhdinh/32/49_2.png) [@ThinhDinh](https://community.glideapps.com/u/ThinhDinh)\
**Post date:** [September 21, 2020, 4:14pm UTC](https://community.glideapps.com/t/where-am-i-using-this-data-tooltip-in-data-editor/16140/2 "2020-09-21T16:14:35Z")

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+1. Would definitely help us avoid deleting the wrong columns.