How to do subscribe, publish, broadcast message mechanism in Freedom UI?

In the classic version we can communicate between modules, for example from page to detail or vice versa using messages.

I have case in my form page there is a modal page, when the modal page is closed it will send data to the form page to do something.
How to implementation in freedom?

Thank you

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It would likely work to use requests with the correct scopes set for message exchange like how sandbox worked, but I've not really tried to implement that across different pages. It might also work to just use Javascript's built-in Broadcast Channel API for that as well. It exists for purposes like this, messaging between different contexts. See details here: https://developer.mozilla.org/en-US/docs/Web/API/Broadcast_Channel_API

Ryan

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