# In Dynamo output has generated but model no changes was shown

**URL:** <https://forum.dynamobim.com/t/in-dynamo-output-has-generated-but-model-no-changes-was-shown/103021>\
**Category:** Revit\
**Tags:** dynamo\
**Created:** [July 24, 2024, 12:39pm UTC](https://forum.dynamobim.com/t/in-dynamo-output-has-generated-but-model-no-changes-was-shown/103021 "2024-07-24T12:39:21Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![vijaya.kumarKS55G](https://avatars.discourse-cdn.com/v4/letter/v/e9a140/32.png) [@vijaya.kumarKS55G](https://forum.dynamobim.com/u/vijaya.kumarKS55G)\
**Post date:** [July 24, 2024, 12:39pm UTC](https://forum.dynamobim.com/t/in-dynamo-output-has-generated-but-model-no-changes-was-shown/103021/1 "2024-07-24T12:39:21Z")

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Hi All, i am trying to change my electrical equipment label EL-1RPP-LR2 TO EL-1RPP-LR,out put was shown in dynamo nodes but revit no changes was happen please advise.

 ![image-4.PNG](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/d/0/d0f58f2d0aad7392e85bb7c91d020d5defd3a9c7.jpeg)

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**Author:** ![Nick\_Boyts](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/nick_boyts/32/76313_2.png) [@Nick\_Boyts](https://forum.dynamobim.com/u/Nick_Boyts)\
**Post date:** [July 24, 2024, 2:31pm UTC](https://forum.dynamobim.com/t/in-dynamo-output-has-generated-but-model-no-changes-was-shown/103021/2 "2024-07-24T14:31:05Z")

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You’re modifying the string but not doing anything to the element or its parameter. You need to use `Element.SetParameterByName` to apply the new value back to the element.