# \#system

**URL:** https://forums.losant.com/tag/system/159.md

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## [Data aggregation and propagation across multi-level system device hierarchy](https://forums.losant.com/t/data-aggregation-and-propagation-across-multi-level-system-device-hierarchy/3882)

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**Author:** [@Nicolas\_Mascardi](https://forums.losant.com/u/Nicolas_Mascardi)\
**Replies:** 2\
**Last updated:** [June 25, 2021, 6:47pm UTC](https://forums.losant.com/t/data-aggregation-and-propagation-across-multi-level-system-device-hierarchy/3882 "2021-06-25T18:47:59Z")

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Hi all, Our team is working on an application that needs to support the following structure: The leaf nodes of the tree are regular devices that report one attribute “color” that can change over time. While the non…

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## [System devices, and walking a tree through workflow](https://forums.losant.com/t/system-devices-and-walking-a-tree-through-workflow/2553)

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**Author:** [@Tim\_Hoffman](https://forums.losant.com/u/Tim_Hoffman)\
**Replies:** 3\
**Last updated:** [January 22, 2020, 4:28pm UTC](https://forums.losant.com/t/system-devices-and-walking-a-tree-through-workflow/2553 "2020-01-22T16:28:51Z")

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Hi At the moment there is no node in workflow for running a query for all possible children (maybe limit depth) of a System Device. So we have been trying to write recursive tree walk workflow with custom nodes. You c…

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## [Platform Update: Introducing Systems](https://forums.losant.com/t/platform-update-introducing-systems/2265)

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**Author:** [@JuliaKempf](https://forums.losant.com/u/JuliaKempf)\
**Replies:** 1\
**Last updated:** [October 10, 2019, 11:38pm UTC](https://forums.losant.com/t/platform-update-introducing-systems/2265 "2019-10-10T23:38:58Z")

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Hello Losant Developers, A new platform update is taking over the big screen, and we are excited to introduce the feature presentation: Systems! You can visit the Platform Release blog post here. As Losant continues to…