# Adding formula to multiple families

**URL:** <https://forum.dynamobim.com/t/adding-formula-to-multiple-families/57143>\
**Category:** Packages\
**Tags:** revit, dynamo\
**Created:** [November 11, 2020, 4:26pm UTC](https://forum.dynamobim.com/t/adding-formula-to-multiple-families/57143 "2020-11-11T16:26:06Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![pradeepcool119](https://avatars.discourse-cdn.com/v4/letter/p/e8c25b/32.png) [@pradeepcool119](https://forum.dynamobim.com/u/pradeepcool119)\
**Post date:** [November 11, 2020, 4:26pm UTC](https://forum.dynamobim.com/t/adding-formula-to-multiple-families/57143/1 "2020-11-11T16:26:06Z")

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Could you help me out with the packages i have to install to add value in multiple families ??

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<div class="post-metadata">

**Author:** ![Robert\_Younger](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/robert_younger/32/205603_2.png) [@Robert\_Younger](https://forum.dynamobim.com/u/Robert_Younger)\
**Post date:** [November 11, 2020, 5:08pm UTC](https://forum.dynamobim.com/t/adding-formula-to-multiple-families/57143/2 "2020-11-11T17:08:42Z")

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Hello,

You’re going to need to be more descriptive on what you’re looking for. Are you sure that this isn’t something you can do with basic Dynamo?

If you can, please share a screenshot of what you have been trying to work with, or at the minimum what ‘value’ you are looking for. Do you mean parameters?