services.AddSingleton<ImageProcessingBotAccessors>(sp =>
            {
                var options = sp.GetRequiredService<IOptions<BotFrameworkOptions>>().Value;
                if (options == null)
                {
                    throw new InvalidOperationException("BotFrameworkOptions must be configured prior to setting up the state accessors");
                }

                var conversationState = options.State.OfType<ConversationState>().FirstOrDefault();
                if (conversationState == null)
                {
                    throw new InvalidOperationException("ConversationState must be defined and added before adding conversation-scoped state accessors.");
                }

                var userState = options.State.OfType<UserState>().FirstOrDefault();

                if (userState == null)
                {
                    throw new InvalidOperationException("User State mjust be defined and added befor the conversation scoping");
                }

                // Create the custom state accessor.
                // State accessors enable other components to read and write individual properties of state.
                var accessors = new ImageProcessingBotAccessors(conversationState, userState)
                {
                    ConversationDialogState = userState.CreateProperty<DialogState>(ImageProcessingBotAccessors.DialogStateName),
                    CommandState = userState.CreateProperty<string>(ImageProcessingBotAccessors.CommandStateName)


                };

                return accessors;
            });