# Detecting global/flow object change

**URL:** <https://discourse.nodered.org/t/detecting-global-flow-object-change/51499>\
**Category:** General\
**Created:** [25 September 2021 08:06 UTC](https://discourse.nodered.org/t/detecting-global-flow-object-change/51499 "2021-09-25T08:06:42Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![E1cid](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/e1cid/32/77971_2.png) [@E1cid](https://discourse.nodered.org/u/E1cid)\
**Post date:** [25 September 2021 08:17 UTC](https://discourse.nodered.org/t/detecting-global-flow-object-change/51499/2 "2021-09-25T08:17:37Z")

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Hi @Steve-Mcl posted a function to monitor context variables. you might want to read it, [Lighting controller ideas - #19 by Steve-Mcl](https://discourse.nodered.org/t/lighting-controller-ideas/50876/19)

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