Program.cs

using VRChat.API.Client;
using VRChat.API.Model;
using VRChat.API.Realtime;

namespace VRChat.API.Examples.WebSocket
{
 public class Program
 {
 public static async Task Main(string[] args)
 {
 string username = Environment.GetEnvironmentVariable("VRCHAT_USERNAME");
 string password = Environment.GetEnvironmentVariable("VRCHAT_PASSWORD");
 string twoFactorSecret = Environment.GetEnvironmentVariable("VRCHAT_TWO_FACTOR_SECRET");

 IVRChat vrchat = new VRChatClientBuilder()
 .WithUsername(username)
 .WithPassword(password)
 .WithTwoFactorSecret(twoFactorSecret)
 .WithApplication(name: "Example", version: "1.0.0", contact: "youremail.com")
 .Build();

 var currentUser = await vrchat.LoginAsync();
 Console.WriteLine($"Logged in as {currentUser.DisplayName}!");

 var authToken = vrchat.GetCookies().FirstOrDefault(c => c.Name == "auth")?.Value;

 IVRChatRealtime realtime = new VRChatRealtimeClientBuilder()
 .WithAuthToken(authToken)
 .WithApplication(name: "Example", version: "1.0.0", contact: "youremail.com")
 .Build();

 realtime.OnConnected += (sender, e) =>
 {
 Console.WriteLine("Connected to VRChat Realtime WebSocket!");
 };

 realtime.OnFriendOnline += (sender, e) =>
 {
 Console.WriteLine($"Friend {e.Message.User.DisplayName} is now online!");
 };

 realtime.OnFriendOffline += (sender, e) =>
 {
 Console.WriteLine($"Friend {e.Message.UserId} is now offline!");
 };

 realtime.OnFriendLocation += (sender, e) =>
 {
 Console.WriteLine($"Friend {e.Message.User.DisplayName} is now in {e.Message.Location}!");
 };

 await realtime.ConnectAsync();

 Console.ReadLine();

 await realtime.DisconnectAsync();
 realtime.Dispose();
 }
 }
}