# How to read tag's quality on change event?

**URL:** <https://forum.inductiveautomation.com/t/how-to-read-tags-quality-on-change-event/59813>\
**Category:** General Discussion\
**Tags:** ignition81, scripting\
**Created:** [May 19, 2022, 9:34pm UTC](https://forum.inductiveautomation.com/t/how-to-read-tags-quality-on-change-event/59813 "2022-05-19T21:34:16Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![paul-griffith](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/paul-griffith/32/37249_2.png) [@paul-griffith](https://forum.inductiveautomation.com/u/paul-griffith)\
**Post date:** [May 19, 2022, 10:06pm UTC](https://forum.inductiveautomation.com/t/how-to-read-tags-quality-on-change-event/59813/4 "2022-05-19T22:06:05Z")

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`isGood` and other methods are available (in some circumstances, at least) in autocompletion in 8.1.18:

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/e/4/e4750e63667aed3e4352b4df683968bf39318e2a.png)

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