private async Task HandleDebugWelcomeTeam(ConnectorClient connectorClient, Activity activity, string teamId) { var welcomeCard = WelcomeTeamAdaptiveCard.GetCardJson("TestTeam", teamId, activity.Recipient.Id, "Rocky"); var replyActivity = activity.CreateReply(); replyActivity.Attachments = new List <Attachment> { AdaptiveCardHelper.CreateAdaptiveCardAttachment(welcomeCard) }; await connectorClient.Conversations.ReplyToActivityAsync(replyActivity); }