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Dynamically reconfiguring parameters from other nodes

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Hello everyone! So, I'm running `nodeA` with a dynamic_reconfigure server, that's working just fine. I'm using `rqt_reconfigure` and everything's ok. Now I have a new node, `nodeB`, from where I want to modify parameters in `nodeA`. I've figured out there are 2 topics: `/nodeA/parameter_descriptions[dynamic_reconfigure/ConfigDescription]` and `/nodeA/parameter_updates[dynamic_reconfigure/Config]`. So, I've created a publisher that complies with that interface and now I'm publishing to that topic. I can publish exactly what I want to the updates topic (if I echo it, I get the values I want for each parameter), but the callback that should be called in `nodeA` is not getting called, ergo ignoring the updates. It's important to say that this callback works just fine when modifying parameters using `rqt_reconfigure`. Any ideas? Thanks!

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