# How to tell if a tag exists

**URL:** <https://forum.inductiveautomation.com/t/how-to-tell-if-a-tag-exists/3899>\
**Category:** Ignition\
**Created:** [January 22, 2012, 11:11pm UTC](https://forum.inductiveautomation.com/t/how-to-tell-if-a-tag-exists/3899 "2012-01-22T23:11:25Z")\
**Posts on this page:** 1\
**Showing post:** 9

<div class="post-metadata">

**Author:** ![richardNZ15](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/richardnz15/32/33373_2.png) [@richardNZ15](https://forum.inductiveautomation.com/u/richardNZ15)\
**Post date:** [March 28, 2019, 12:07am UTC](https://forum.inductiveautomation.com/t/how-to-tell-if-a-tag-exists/3899/9 "2019-03-28T00:07:05Z")

</div>

> Yeah, we should really have a tagExists expression function that returns 0 or 1 and never errors out. I will add a ticket into our system.

Is this still not available?

---

_[View the full topic](https://forum.inductiveautomation.com/t/how-to-tell-if-a-tag-exists/3899)._
