Blast out a message to all connected sockets.
This will send a message to EVERY socket connected to an app, as opposed to "Broadcast" which only sends messages to a specific room. Note that this machine does not wait for any kind of acknowledgement of message delivery, so it is immediate/synchronous.
var Socketio = require('machinepack-sockets');
// Blast out a message to all connected sockets.
The name (aka "event name") to use for the message (just an arbitrary label).
Data to send with the message.
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