# \[BUG\] Cannot Reference Alarm IsActive in an expression

**URL:** <https://forum.inductiveautomation.com/t/bug-cannot-reference-alarm-isactive-in-an-expression/45137>\
**Category:** Ignition\
**Tags:** ignition80\
**Created:** [March 31, 2021, 7:43pm UTC](https://forum.inductiveautomation.com/t/bug-cannot-reference-alarm-isactive-in-an-expression/45137 "2021-03-31T19:43:19Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![downerczx](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/downerczx/32/11649_2.png) [@downerczx](https://forum.inductiveautomation.com/u/downerczx)\
**Post date:** [March 31, 2021, 7:43pm UTC](https://forum.inductiveautomation.com/t/bug-cannot-reference-alarm-isactive-in-an-expression/45137/1 "2021-03-31T19:43:19Z")

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In a UDT with a submember expression tag, I cannot reference alarming IsActive in another submember, it doesn’t return anything coherent, even if IsActive has a good value.

{[.]Value/Alarms/HiAlarm.IsActive}