# Validate Custom User Field for Fediverse Handle

**URL:** <https://meta.discourse.org/t/validate-custom-user-field-for-fediverse-handle/315037>\
**Category:** Support\
**Tags:** user-custom-fields\
**Created:** [July 4, 2024, 6:25pm UTC](https://meta.discourse.org/t/validate-custom-user-field-for-fediverse-handle/315037 "2024-07-04T18:25:46Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![cogdog](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/cogdog/32/116536_2.png) [@cogdog](https://meta.discourse.org/u/cogdog)\
**Post date:** [July 4, 2024, 10:35pm UTC](https://meta.discourse.org/t/validate-custom-user-field-for-fediverse-handle/315037/3 "2024-07-04T22:35:35Z")

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Thanks Dan, the Discourse Authentication Validations plugin looks perfect and useful for my other fields.

I am already using Clickable Social Icon Links. I can see my mistake was asking for a mastodon username rather than a URL, so it looks like I have some cleanup to do!

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