Samsung Z Flip3 5G what is "Broadcast channel" (off)?

[ChazzP12]

I have noticed in text settings something called "broadcast channel" (off), cam anyone tell me what that's for? What's it do?

[Tony M]

Broadcast channel is a non-blocking primitive for communication between the sender and multiple receivers that subscribe for the elements using openSubscription function and unsubscribe using ReceiveChannel.