ASP.NET Core SignalR is an open-source library that simplifies adding real-time web functionality to apps. Real-time web functionality enables server-side code to push content to clients instantly. It's platform-independent, and can be used on both the command-line and the browser.
final connection = HubConnectionBuilder().withUrl('http://localhost:5000/chatHub',
HttpConnectionOptions(
logging: (level, message) => print(message),
)).build();
await connection.start();
connection.on('ReceiveMessage', (message) {
print(message.toString());
});
await connection.invoke('SendMessage', args: ['Bob', 'Says hi!']);
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