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);
        }