# Tag Value Change Scripts: Are They Run Asynchronously?

**URL:** <https://forum.inductiveautomation.com/t/tag-value-change-scripts-are-they-run-asynchronously/53749>\
**Category:** Ignition\
**Tags:** ignition79, ignition81\
**Created:** [December 3, 2021, 7:12pm UTC](https://forum.inductiveautomation.com/t/tag-value-change-scripts-are-they-run-asynchronously/53749 "2021-12-03T19:12:57Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [December 3, 2021, 7:34pm UTC](https://forum.inductiveautomation.com/t/tag-value-change-scripts-are-they-run-asynchronously/53749/7 "2021-12-03T19:34:11Z")

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Note that they are also running in a thread pool. If you have lots of events with slow execution, other tag events can be delayed.

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_[View the full topic](https://forum.inductiveautomation.com/t/tag-value-change-scripts-are-they-run-asynchronously/53749)._