# Form with the nickname field which must be unique

**URL:** https://forum.mautic.org/t/form-with-the-nickname-field-which-must-be-unique/12744
**Category:** Product Support
**Created:** [February 13, 2020, 11:33am UTC](https://forum.mautic.org/t/form-with-the-nickname-field-which-must-be-unique/12744 "2020-02-13T11:33:42Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![tomek](https://avatars.discourse-cdn.com/v4/letter/t/3ab097/32.png) [@tomek](https://forum.mautic.org/u/tomek)
#### Post date: [February 13, 2020, 11:33am UTC](https://forum.mautic.org/t/form-with-the-nickname-field-which-must-be-unique/12744/1 "2020-02-13T11:33:42Z")

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Hi,

I need to create a form with the nickname field.

Nickname must be unique.

My question is:

Is it possible to create this field in form, where the value given from user will be checked for uniqueness (not previously provided by another user)?