microsoft/teams.net

using Microsoft.Bot.Builder.Integration.AspNet.Core;
using Microsoft.Bot.Builder.TraceExtensions;
using Microsoft.Bot.Connector.Authentication;

namespace Samples.BotBuilder
{
    public class BotBuilderAdapter : CloudAdapter
    {
        public BotBuilderAdapter(BotFrameworkAuthentication auth, ILogger<IBotFrameworkHttpAdapter> logger)
            : base(auth, logger)
        {
            OnTurnError = async (turnContext, exception) =>
            {
                logger.LogError(exception, $"[OnTurnError] unhandled error : {exception.Message}");

                // Send a message to the user
                await turnContext.SendActivityAsync("The bot encountered an error or bug.");
                await turnContext.SendActivityAsync("To continue to run this bot, please fix the bot source code.");

                // Send a trace activity, which will be displayed in the Bot Framework Emulator
                await turnContext.TraceActivityAsync("OnTurnError Trace", exception.Message, "https://www.botframework.com/schemas/error", "TurnError");
            };
        }
    }
}