# Tags Path in Script

**URL:** <https://forum.inductiveautomation.com/t/tags-path-in-script/16431>\
**Category:** Ignition\
**Created:** [December 28, 2017, 11:22am UTC](https://forum.inductiveautomation.com/t/tags-path-in-script/16431 "2017-12-28T11:22:04Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![lsauna40](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/lsauna40/32/4515_2.png) [@lsauna40](https://forum.inductiveautomation.com/u/lsauna40)\
**Post date:** [December 28, 2017, 11:22am UTC](https://forum.inductiveautomation.com/t/tags-path-in-script/16431/1 "2017-12-28T11:22:04Z")

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Hello everybody!  
Can i call one variables (tag) in script?  
How?

And can i parametrizated that tag?

For example i’ve one Live with 3 Extruders but in the future i choose to install and put the 4th Extruder.  
Can I change the tag for find that Extruder without any action from me?  
Sorry for my bad english…

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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:** [December 28, 2017, 1:22pm UTC](https://forum.inductiveautomation.com/t/tags-path-in-script/16431/2 "2017-12-28T13:22:17Z")

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Yes. In scripts, you retrieve tag values with the [system.tag.read()](https://docs.inductiveautomation.com/display/DOC79/system.tag.read) and [system.tag.readAll()](https://docs.inductiveautomation.com/display/DOC79/system.tag.readAll) functions. The strings you supply to indicate which tags to read can be constructed using any python techniques you like.

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<div class="post-metadata">

**Author:** ![lsauna40](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/lsauna40/32/4515_2.png) [@lsauna40](https://forum.inductiveautomation.com/u/lsauna40)\
**Post date:** [December 28, 2017, 1:25pm UTC](https://forum.inductiveautomation.com/t/tags-path-in-script/16431/3 "2017-12-28T13:25:46Z")

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And is it possible to parameterize the Tag?

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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:** [December 28, 2017, 2:18pm UTC](https://forum.inductiveautomation.com/t/tags-path-in-script/16431/4 "2017-12-28T14:18:28Z")

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Yes. Let me repeat: “The strings you supply to indicate which tags to read can be constructed using any python techniques you like.”