# Easy Chart configuration Question

**URL:** <https://forum.inductiveautomation.com/t/easy-chart-configuration-question/19061>\
**Category:** Ignition\
**Created:** [August 2, 2018, 1:34am UTC](https://forum.inductiveautomation.com/t/easy-chart-configuration-question/19061 "2018-08-02T01:34:02Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Curlyandshemp](https://avatars.discourse-cdn.com/v4/letter/c/bcef8e/32.png) [@Curlyandshemp](https://forum.inductiveautomation.com/u/Curlyandshemp)\
**Post date:** [August 2, 2018, 1:34am UTC](https://forum.inductiveautomation.com/t/easy-chart-configuration-question/19061/1 "2018-08-02T01:34:02Z")

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i use a database to populate the DB pens details in the Easy Chart. I need to be able to set the Datasource as parameter as well  
.4

 ![](https://us1.discourse-cdn.com/inductiveautomation/original/2X/3/35a7979d834e02116a4c30548d4b4486aaeb60e6.png)

i know the name of most parameters to set, just do not know the name of the Datasource property:

 ![](https://us1.discourse-cdn.com/inductiveautomation/original/2X/b/b5fb45a9e5082be963746a019b16879fbdae8c0d.png)

would it be ‘DATASOURCE’ ?

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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:** [August 2, 2018, 1:36am UTC](https://forum.inductiveautomation.com/t/easy-chart-configuration-question/19061/2 "2018-08-02T01:36:25Z")

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What do you get in the `pens` dataset if you manually configure a pen the way you want?

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<div class="post-metadata">

**Author:** ![Curlyandshemp](https://avatars.discourse-cdn.com/v4/letter/c/bcef8e/32.png) [@Curlyandshemp](https://forum.inductiveautomation.com/u/Curlyandshemp)\
**Post date:** [August 2, 2018, 2:12am UTC](https://forum.inductiveautomation.com/t/easy-chart-configuration-question/19061/3 "2018-08-02T02:12:17Z")

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answered my own question, it is DATASOURCE  
This easy chart is used to view CIP data from 14 different plants. The customer already has PLC data being logged to a PI database , which my application eventually gets through a JDBC connection, and logs data through the transaction groups to 14 different MySQL databases, one for each plant.

The data structure is common in all 14 plants, so 1 easy chart could do the job, i just need a way to be able to select which data source to look at based on a Log In parameter that would determine which plant’s data to look at.\

 ![](https://us1.discourse-cdn.com/inductiveautomation/original/2X/2/2bee1036955cb08c0ef3216d2ed572f8a0ddd4f1.png)

 ![](https://us1.discourse-cdn.com/inductiveautomation/original/2X/f/f8b68682b1b7d3cbf83146449d57a84b5ef3a6ea.png)