# Precess is not defined

**URL:** https://discourse.nodered.org/t/precess-is-not-defined/18614
**Category:** General
**Created:** [29 November 2019 15:13 UTC](https://discourse.nodered.org/t/precess-is-not-defined/18614 "2019-11-29T15:13:13Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![knolleary](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/knolleary/32/3_2.png) [@knolleary](https://discourse.nodered.org/u/knolleary)
#### Post date: [29 November 2019 15:17 UTC](https://discourse.nodered.org/t/precess-is-not-defined/18614/2 "2019-11-29T15:17:26Z")

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Please don't start a new topic when we're already discussing this.

> [@How to set env variable](https://discourse.nodered.org/t/how-to-set-env-varibale/18612):
>
> env.get() working but env.set() is not a function like flow.set(),global.set()ext, so please find me how to set env variable

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