# Function filter 2

**URL:** <https://discourse.nodered.org/t/function-filter-2/32873>\
**Category:** Industrial\
**Created:** [14 September 2020 12:24 UTC](https://discourse.nodered.org/t/function-filter-2/32873 "2020-09-14T12:24:53Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [14 September 2020 12:27 UTC](https://discourse.nodered.org/t/function-filter-2/32873/2 "2020-09-14T12:27:40Z")

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Is this the same issue as your other post?

> [@Function filter](https://discourse.nodered.org/t/function-filter/32869/2):
>
> Sounds like you need to use the RBE node. It only allows a msg to pass if it has changed.

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