Signal.BotA .NET Signal Messenger Bot Client

using Signal.Bot;
using Signal.Bot.Types;

var client = new SignalBotClient("http://localhost:8080");
var botNumber = "+1234567890";

await client.StartReceiving(
    botNumber,
    handleMessage: async (botClient, message, ct) =>
    {
        Console.WriteLine($"Received: {message.DataMessage?.Message}");
        
        if (!string.IsNullOrEmpty(message.DataMessage?.Message))
        {
            await botClient.SendMessageAsync(
                number: botNumber,
                message: $"You said: {message.DataMessage.Message}",
                recipients: new[] { message.Source },
                cancellationToken: ct
            );
        }
    },
    handleError: async (botClient, exception, ct) =>
    {
        Console.WriteLine($"Error: {exception.Message}");
    },
    cancellationToken: CancellationToken.None
);