# Where are the subflow ids defined?

**URL:** <https://discourse.nodered.org/t/where-are-the-subflow-ids-defined/60274>\
**Category:** General\
**Created:** [24 March 2022 05:31 UTC](https://discourse.nodered.org/t/where-are-the-subflow-ids-defined/60274 "2022-03-24T05:31:07Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Trying\_to\_learn](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/trying_to_learn/32/28400_2.png) [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Post date:** [24 March 2022 05:31 UTC](https://discourse.nodered.org/t/where-are-the-subflow-ids-defined/60274/1 "2022-03-24T05:31:07Z")

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I fell into a trap of not keeping subflows in sync between machines and recently had a problem with swapping them between machines.

Nic (@knolleary) explained about the `id` of the subflow and that is/was the problem.

This has raised the question where is the subflow's `id` defined?

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [23 May 2022 05:31 UTC](https://discourse.nodered.org/t/where-are-the-subflow-ids-defined/60274/2 "2022-05-23T05:31:21Z")

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