# Transaction Group Trigger Evaluation on Tag Change

**URL:** <https://forum.inductiveautomation.com/t/transaction-group-trigger-evaluation-on-tag-change/98360>\
**Category:** Ignition\
**Tags:** ignition81\
**Created:** [November 7, 2024, 3:46pm UTC](https://forum.inductiveautomation.com/t/transaction-group-trigger-evaluation-on-tag-change/98360 "2024-11-07T15:46:24Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![thidalgo](https://avatars.discourse-cdn.com/v4/letter/t/898d66/32.png) [@thidalgo](https://forum.inductiveautomation.com/u/thidalgo)\
**Post date:** [November 7, 2024, 3:46pm UTC](https://forum.inductiveautomation.com/t/transaction-group-trigger-evaluation-on-tag-change/98360/1 "2024-11-07T15:46:24Z")

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It's possible for a transcation group to evaluate a trigger when a Local tag Provider tag changes ?

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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:** [November 7, 2024, 3:52pm UTC](https://forum.inductiveautomation.com/t/transaction-group-trigger-evaluation-on-tag-change/98360/2 "2024-11-07T15:52:03Z")

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Please explain further (actual details). Transaction groups can be triggered directly upon tag change. Transaction groups can also have "Run Always" expression items that are then used as the trigger.

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**Author:** ![thidalgo](https://avatars.discourse-cdn.com/v4/letter/t/898d66/32.png) [@thidalgo](https://forum.inductiveautomation.com/u/thidalgo)\
**Post date:** [November 13, 2024, 4:04pm UTC](https://forum.inductiveautomation.com/t/transaction-group-trigger-evaluation-on-tag-change/98360/3 "2024-11-13T16:04:52Z")

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Hi Phil,  
Thanks for your quick answer and sorry for my late reply.  
You are right, It has been a mistake of mine in understanding the transaction groups.  
Thanks for your help.