# Def valueChanged ISSUE in ignition 8.0.8

**URL:** <https://forum.inductiveautomation.com/t/def-valuechanged-issue-in-ignition-8-0-8/33045>\
**Category:** Ignition Early Access\
**Tags:** scripting\
**Created:** [March 12, 2020, 2:38pm UTC](https://forum.inductiveautomation.com/t/def-valuechanged-issue-in-ignition-8-0-8/33045 "2020-03-12T14:38:01Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![yifeiliu08](https://avatars.discourse-cdn.com/v4/letter/y/bbe5ce/32.png) [@yifeiliu08](https://forum.inductiveautomation.com/u/yifeiliu08)\
**Post date:** [March 12, 2020, 2:38pm UTC](https://forum.inductiveautomation.com/t/def-valuechanged-issue-in-ignition-8-0-8/33045/1 "2020-03-12T14:38:02Z")

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![image](https://us1.discourse-cdn.com/inductiveautomation/original/2X/c/c124d5e6432f2b75580fc3b8287d992cc9a248b0.png)  
i have one project update from 7.9.10 to 8.0.8  
i found some scripting in value change not work  
finally i find the tag setup screen i have use the red line high light read have issue  
 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/2X/e/e93ed6e12c74d6fd2f65636d3b3ad7201455644f.png)  
if this tag is setupscreen i use the blueline highlight  
 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/2X/9/9ad9dd4c9d1846bb15b8b871e993ae22c3f65c86.png)  
if the value change it will be ok,  
 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/2X/5/5564127f8a869bf8ca74a4885948549c0909756e.png)  
from my test the only difference if the tag have a blank space, it will fault, it no blank space it will work correctly.  
i don’t know this is a bug or already solved by newer version.

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**Author:** ![bmusson](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/bmusson/32/87530_2.png) [@bmusson](https://forum.inductiveautomation.com/u/bmusson)\
**Post date:** [March 12, 2020, 3:00pm UTC](https://forum.inductiveautomation.com/t/def-valuechanged-issue-in-ignition-8-0-8/33045/2 "2020-03-12T15:00:51Z")

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On line 3, your tag path is enclosed with curly brackets { }.  
Remove those and it should work.

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**Author:** ![yifeiliu08](https://avatars.discourse-cdn.com/v4/letter/y/bbe5ce/32.png) [@yifeiliu08](https://forum.inductiveautomation.com/u/yifeiliu08)\
**Post date:** [March 13, 2020, 6:49am UTC](https://forum.inductiveautomation.com/t/def-valuechanged-issue-in-ignition-8-0-8/33045/3 "2020-03-13T06:49:22Z")

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thanks, it works