# String Why is that?

**URL:** <https://forum.dynamobim.com/t/string-why-is-that/33732>\
**Category:** Revit\
**Tags:** dynamo\
**Created:** [March 20, 2019, 1:49am UTC](https://forum.dynamobim.com/t/string-why-is-that/33732 "2019-03-20T01:49:20Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![chanob9104](https://avatars.discourse-cdn.com/v4/letter/c/13edae/32.png) [@chanob9104](https://forum.dynamobim.com/u/chanob9104)\
**Post date:** [March 20, 2019, 1:49am UTC](https://forum.dynamobim.com/t/string-why-is-that/33732/1 "2019-03-20T01:49:20Z")

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![%EC%A0%9C%EB%AA%A9%20%EC%97%86%EC%9D%8C](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/e/8/e8dfbe3d3a4a65e91864b0fb534a2c4b0ba8d0c5.png)

help me ☹

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**Author:** ![salvatoredragotta](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/salvatoredragotta/32/10078_2.png) [@salvatoredragotta](https://forum.dynamobim.com/u/salvatoredragotta)\
**Post date:** [March 20, 2019, 1:58am UTC](https://forum.dynamobim.com/t/string-why-is-that/33732/2 "2019-03-20T01:58:30Z")

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@chanob9104

 ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/3/7/379aa145cd8d12b1cd8c60bafdeb66aa8565eba6.png)

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**Author:** ![kennyb6](https://avatars.discourse-cdn.com/v4/letter/k/7ba0ec/32.png) [@kennyb6](https://forum.dynamobim.com/u/kennyb6)\
**Post date:** [March 20, 2019, 1:58am UTC](https://forum.dynamobim.com/t/string-why-is-that/33732/3 "2019-03-20T01:58:59Z")

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Try using the `==` node. String.Contains looks if the word ‘Duct’ is in any of the list, which your rectangular duct has the word ‘Duct’ in it.