# Chart with user-selected tag pens

**URL:** <https://forum.inductiveautomation.com/t/chart-with-user-selected-tag-pens/62934>\
**Category:** Ignition\
**Tags:** vision\
**Created:** [August 11, 2022, 7:34pm UTC](https://forum.inductiveautomation.com/t/chart-with-user-selected-tag-pens/62934 "2022-08-11T19:34:10Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Rusty](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/rusty/32/19859_2.png) [@Rusty](https://forum.inductiveautomation.com/u/Rusty)\
**Post date:** [August 11, 2022, 7:34pm UTC](https://forum.inductiveautomation.com/t/chart-with-user-selected-tag-pens/62934/1 "2022-08-11T19:34:10Z")

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Hello everyone,

I’m seeking a method in Vision of enabling users to select any given tag from the tag browser tree as a possible tag history pen in a chart. I am trending many tags with the historian- way too many to want to put all of them onto a chart. Yet, every so often a very specific tag history is needed to troubleshoot something. I’d like to enable specific users to have the ability to select any given tag in Ignition from the tag browser tree to use in a chart. Has anyone implemented something like this before or would anyone like to share an idea on how to do it?

Greatly appreciated,  
Rusty

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**Author:** ![lrose](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/lrose/32/62724_2.png) [@lrose](https://forum.inductiveautomation.com/u/lrose)\
**Post date:** [August 11, 2022, 7:49pm UTC](https://forum.inductiveautomation.com/t/chart-with-user-selected-tag-pens/62934/2 "2022-08-11T19:49:27Z")

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Have you looked at the Ad-Hoc Trend Chart on Ignition Exchange?

> **[Ignition Exchange](https://www.inductiveautomation.com/exchange/92/overview)**
>
> Discover, share, and download community made Ignition resources in collaboration with your organization or the Ignition community.

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<div class="post-metadata">

**Author:** ![Rusty](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/rusty/32/19859_2.png) [@Rusty](https://forum.inductiveautomation.com/u/Rusty)\
**Post date:** [August 11, 2022, 7:50pm UTC](https://forum.inductiveautomation.com/t/chart-with-user-selected-tag-pens/62934/3 "2022-08-11T19:50:20Z")

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Cool, I haven’t seen that one yet, that’s perfect, thanks!