# Ignition8 - write value back to opc missing in query tags?

**URL:** <https://forum.inductiveautomation.com/t/ignition8-write-value-back-to-opc-missing-in-query-tags/26126>\
**Category:** General Discussion\
**Created:** [June 27, 2019, 6:38am UTC](https://forum.inductiveautomation.com/t/ignition8-write-value-back-to-opc-missing-in-query-tags/26126 "2019-06-27T06:38:43Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![fares](https://avatars.discourse-cdn.com/v4/letter/f/71e660/32.png) [@fares](https://forum.inductiveautomation.com/u/fares)\
**Post date:** [June 27, 2019, 6:38am UTC](https://forum.inductiveautomation.com/t/ignition8-write-value-back-to-opc-missing-in-query-tags/26126/1 "2019-06-27T06:38:43Z")

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Hi, it seems “write value back to opc”  
option is missing in Query tags in ignition 8. Is it so? Does anybody know how to implement this function (python scripting?)  
Thank you!

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [June 27, 2019, 12:01pm UTC](https://forum.inductiveautomation.com/t/ignition8-write-value-back-to-opc-missing-in-query-tags/26126/2 "2019-06-27T12:01:47Z")

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I think you can use the technique mentioned in [this post](http://forum.inductiveautomation.com/t/13069-write-value-to-opc-item-feature-for-expression-tags-is-no-longer-available-in-8-0/23112/5?u=kevin.herron).

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**Author:** ![fares](https://avatars.discourse-cdn.com/v4/letter/f/71e660/32.png) [@fares](https://forum.inductiveautomation.com/u/fares)\
**Post date:** [June 27, 2019, 1:09pm UTC](https://forum.inductiveautomation.com/t/ignition8-write-value-back-to-opc-missing-in-query-tags/26126/3 "2019-06-27T13:09:01Z")

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Thank you very much! I’ll try it!