IPP .NET DevKit v2 - QBD Item Create

OAuthRequestValidator oauthValidator = Initializer.InitializeOAuthValidator(accessToken, accessTokenSecret, consumerKey, consumerSecret);
ServiceContext context = Initializer.InitializeServiceContext(oauthValidator, realmId, string.Empty, string.Empty, "QBD");
DataServices commonService = new DataServices(context);
context.EnableServiceRequestsLogging = true;
context.ServiceRequestLoggingLocation = @"C:\IdsLogs";

Intuit.Ipp.Data.Qbd.Item item = new Intuit.Ipp.Data.Qbd.Item();
item.Name = "My Service Item";
item.Desc = "My Service Item Description";
item.Taxable = true;

//Set Item Type
item.Type = Intuit.Ipp.Data.Qbd.ItemTypeEnum.Service;
item.TypeSpecified = true;

//Set PurchaseCost
Intuit.Ipp.Data.Qbd.Money purchaseCost = new Intuit.Ipp.Data.Qbd.Money();
purchaseCost.Amount = 11;
purchaseCost.AmountSpecified = true;
item.Item1 = purchaseCost;
item.PurchaseCost = purchaseCost;

//Set Expense Account Reference
Intuit.Ipp.Data.Qbd.AccountRef expenseAccountRef = new Intuit.Ipp.Data.Qbd.AccountRef();
expenseAccountRef.AccountId = new Intuit.Ipp.Data.Qbd.IdType() { idDomain = Intuit.Ipp.Data.Qbd.idDomainEnum.QB, Value = "37" };
expenseAccountRef.AccountName = "Uncategorized Expenses";
item.ExpenseAccountRef = expenseAccountRef;

//Set UnitPrice
Intuit.Ipp.Data.Qbd.Money unitPrice = new Intuit.Ipp.Data.Qbd.Money();
unitPrice.Amount = 22;
unitPrice.AmountSpecified = true;
item.Item1 = unitPrice;

//Set Income Account Reference
Intuit.Ipp.Data.Qbd.AccountRef incomeAccountRef =  new Intuit.Ipp.Data.Qbd.AccountRef();
incomeAccountRef.AccountId = new Intuit.Ipp.Data.Qbd.IdType() { idDomain = Intuit.Ipp.Data.Qbd.idDomainEnum.QB, Value = "6" };
incomeAccountRef.AccountName = "Sales";
item.IncomeAccountRef = incomeAccountRef;

Intuit.Ipp.Data.Qbd.Item addedItem = commonService.Add<Intuit.Ipp.Data.Qbd.Item>(item);