E-commerce Bot | Part 6 | Create a Welcome Menu using Adaptive Card

private async Task<DialogTurnResult> IntroStepAsync(WaterfallStepContext stepContext, CancellationToken cancellationToken)
        {
            UserProfile userProfile = await _stateService.UserProfileAccessor.GetAsync(stepContext.Context, () => new UserProfile());

            if (userProfile.EmailVerified)
            {
                List<string> operationList = new List<string> { "View Products", "View Cart", "Place Order", "My Orders" };

                // Create card
                var card = new AdaptiveCard(new AdaptiveSchemaVersion(1, 0))
                {
                    // Use LINQ to turn the choices into submit actions
                    Actions = operationList.Select(choice => new AdaptiveSubmitAction
                    {
                        Title = choice,
                        Data = choice,  // This will be a string
                    }).ToList<AdaptiveAction>(),
                };
                // Prompt
                return await stepContext.PromptAsync(nameof(ChoicePrompt), new PromptOptions
                {
                    Prompt = (Activity)MessageFactory.Attachment(new Attachment
                    {
                        ContentType = AdaptiveCard.ContentType,
                        // Convert the AdaptiveCard to a JObject
                        Content = JObject.FromObject(card),
                    }),
                    Choices = ChoiceFactory.ToChoices(operationList),
                    // Don't render the choices outside the card
                    Style = ListStyle.None,
                },
                    cancellationToken);
            }
            else
            {
                await stepContext.Context.SendActivityAsync(MessageFactory.Text("Your email is not verified, you cannot use the services of this bot."), cancellationToken);
                return await stepContext.BeginDialogAsync(nameof(EmailAuthenticationDialog), null, cancellationToken);
            }
            
        }

using AdaptiveCards;
using Microsoft.Bot.Builder;
using Microsoft.Bot.Builder.Dialogs;
using Microsoft.Bot.Builder.Dialogs.Choices;
using Microsoft.Bot.Schema;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using NaamiChocosBot.Dialogs.Operations;
using NaamiChocosBot.Models;
using NaamiChocosBot.Services;
using NaamiChocosBot.Utilities;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

AddDialog(new ChoicePrompt(nameof(ChoicePrompt)));