# Store variables in files for use in flow?

**URL:** https://discourse.nodered.org/t/store-variables-in-files-for-use-in-flow/66360
**Category:** General
**Tags:** docker
**Created:** [12 August 2022 11:28 UTC](https://discourse.nodered.org/t/store-variables-in-files-for-use-in-flow/66360 "2022-08-12T11:28:00Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![zenofmud](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/zenofmud/32/316_2.png) [@zenofmud](https://discourse.nodered.org/u/zenofmud)
#### Post date: [15 August 2022 08:29 UTC](https://discourse.nodered.org/t/store-variables-in-files-for-use-in-flow/66360/5 "2022-08-15T08:29:35Z")

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Here is something that may help you understand:

> [@A guide to understanding 'Persistent Context'](https://discourse.nodered.org/t/a-guide-to-understanding-persistent-context/4115):
>
> This is something I wrote up after playing with the context options. I've filed a PR with some of this added to the Node-RED documentation but thought I'd release it here also. I hope people find it useful. Paul A guide to understanding 'Persistent Context' Prior to Node-RED v0.19.0, data could be stored in context as a global, flow or node. This was stored in memory and would be reset with a restart of Node-RED. As of v.0.19.0 you can now store node, flow and global context data in memory O…

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