# Validate Unique Username entered by user **URL:** https://community.glideapps.com/t/validate-unique-username-entered-by-user/11370 **Category:** Project Showcase **Created:** [June 24, 2020, 3:31pm UTC](https://community.glideapps.com/t/validate-unique-username-entered-by-user/11370 "2020-06-24T15:31:36Z") **Posts on this page:** 1 **Showing post:** 16
### 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: [March 2, 2022, 12:00pm UTC](https://community.glideapps.com/t/validate-unique-username-entered-by-user/11370/16 "2022-03-02T12:00:35Z")
![image](https://us1.discourse-cdn.com/flex002/uploads/glideapps/original/3X/f/3/f344bea6747d646fee21cc8e30ad20585d7dc7fa.png) Is this a native form? The method I mentioned only works with custom forms. > [@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… --- _[View the full topic](https://community.glideapps.com/t/validate-unique-username-entered-by-user/11370)._