# Alarm IsCondition Expression

**URL:** <https://forum.inductiveautomation.com/t/alarm-iscondition-expression/81769>\
**Category:** Ignition\
**Tags:** ignition81\
**Created:** [November 10, 2023, 4:57pm UTC](https://forum.inductiveautomation.com/t/alarm-iscondition-expression/81769 "2023-11-10T16:57:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Yousef\_Ali](https://avatars.discourse-cdn.com/v4/letter/y/87869e/32.png) [@Yousef\_Ali](https://forum.inductiveautomation.com/u/Yousef_Ali)\
**Post date:** [November 10, 2023, 4:57pm UTC](https://forum.inductiveautomation.com/t/alarm-iscondition-expression/81769/1 "2023-11-10T16:57:19Z")

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in below example i am traying to use TagName as param in tag name . as shown in below screenshot  
example 1 is working fine.  
But in example (2) when trying to replace 0 to TagName which name is (0) it's not working.

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/2/2/2257d5c3acafcf9f5007d222acd6980356cbd9e9.png)

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<div class="post-metadata">

**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:** [November 10, 2023, 5:04pm UTC](https://forum.inductiveautomation.com/t/alarm-iscondition-expression/81769/2 "2023-11-10T17:04:47Z")

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You cannot nest curly braces. Use another (custom) property with an indirect tag binding to obtain the desired tag, then use that custom property with your `jsonGet()` expression.