# Extra Row is Creating Instead of Updating the Intended Row

**URL:** https://community.glideapps.com/t/extra-row-is-creating-instead-of-updating-the-intended-row/49449
**Category:** Ask for Help
**Created:** [September 16, 2022, 12:22pm UTC](https://community.glideapps.com/t/extra-row-is-creating-instead-of-updating-the-intended-row/49449 "2022-09-16T12:22:40Z")
**Posts on this page:** 1
**Showing post:** 12

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### Author: ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)
#### Post date: [September 17, 2022, 8:31am UTC](https://community.glideapps.com/t/extra-row-is-creating-instead-of-updating-the-intended-row/49449/12 "2022-09-17T08:31:37Z")

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> [@ichilddev](#):
>
> This Item refers to the current Row ID in this Tab / Table?

Yes, that’s correct.

> [@ichilddev](#):
>
> Kindly advise where can i read up on this This Item, References etc?

I don’t know that there is any specific documentation on “This Item”, but what you are doing there is essentially creating what’s commonly referred to as a Custom Form. To learn more about that, you can make a copy of the concept app in the below thread and study it.

> [@How do I create a custom form?](https://community.glideapps.com/t/how-do-i-create-a-custom-form/25014):
>
> I’m just dropping this here so I have something to refer people to when they ask. This is a simple concept app (copyable), that demonstrates the following techniques: Building custom forms for adding and editing list items (as an alternative to the native forms provided by Glide) Preventing duplicate new entries using [User Specific Columns](https://docs.glideapps.com/all/reference/data-editor/user-specific-columns) and [Relations](https://docs.glideapps.com/all/reference/data-editor/computed-columns/relation-column) Enforcing mandatory input items The use of visibility conditions and user specific booleans to control user flow There is nothing particula…

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