# How to detect a null value in a string tag

**URL:** <https://forum.inductiveautomation.com/t/how-to-detect-a-null-value-in-a-string-tag/99947>\
**Category:** Ignition\
**Tags:** scripting\
**Created:** [December 17, 2024, 6:00pm UTC](https://forum.inductiveautomation.com/t/how-to-detect-a-null-value-in-a-string-tag/99947 "2024-12-17T18:00:49Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Transistor](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/transistor/32/3380_2.png) [@Transistor](https://forum.inductiveautomation.com/u/Transistor)\
**Post date:** [December 17, 2024, 6:08pm UTC](https://forum.inductiveautomation.com/t/how-to-detect-a-null-value-in-a-string-tag/99947/7 "2024-12-17T18:08:11Z")

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Please see [Wiki - how to post code on this forum](https://forum.inductiveautomation.com/t/wiki-how-to-post-code-on-this-forum/77831).

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