public Task LoginCallBack(LoginCallBackEto eventData)
        {
            Console.WriteLine("--------> App2 has received the message: " + eventData.AccessToken);
            lineNotifyGateway.NotifyAsync("further rec.", "abc");

            return(Task.CompletedTask);
        }
 public virtual Task LoginCallBack(LoginCallBackEto eventData)
 {
     this.channelStore.AddOrReplace(eventData.Channel, eventData.AccessToken);
     return(Task.CompletedTask);
 }