// Copyright (c) Microsoft Corporation. // Licensed under the MIT License. using Microsoft.Teams.Core; using Microsoft.Teams.Core.Hosting; using Microsoft.Teams.Core.Schema; WebApplicationBuilder webAppBuilder = WebApplication.CreateSlimBuilder(args); webAppBuilder.Services.AddBotApplication(); WebApplication webApp = webAppBuilder.Build(); webApp.MapGet("/", () => "CoreBot is running."); BotApplication botApp = webApp.UseBotApplication(); botApp.OnActivity = async (activity, cancellationToken) => { string replyText = $"CoreBot running on SDK `{BotApplication.Version}`."; ArgumentNullException.ThrowIfNull(activity.Conversation); CoreActivity replyActivity = CoreActivity.CreateBuilder() .WithType(ActivityType.Message) .WithChannelId(activity.ChannelId) .WithServiceUrl(activity.ServiceUrl) .WithConversation(activity.Conversation) .WithFrom(activity.Recipient) .WithProperty("text", replyText) .Build(); await botApp.SendActivityAsync(replyActivity, cancellationToken: cancellationToken); }; webApp.Run();