How to create an item using ( AIF ) ItemServices and EcoResProductServices in AX 2012

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.ServiceModel.Description;
using System.Text;
using Tutorial.AIF.CreateItem.EcoResProductServices;
using Tutorial.AIF.CreateItem.InventItemServices;
 
namespace Tutorial.AIF.CreateItem
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                ItemServiceCreateRequest request = new ItemServiceCreateRequest();
                ItemServiceClient client = new ItemServiceClient();
 
                EcoResProductServiceCreateRequest prodRequest = new EcoResProductServiceCreateRequest();
                EcoResProductServiceClient prodClient = new EcoResProductServiceClient();
 
                ReqItemTableServiceCreateRequest reqItemRequest = new ReqItemTableServiceCreateRequest();
                ReqItemTableServiceClient reqItemClient = new ReqItemTableServiceClient();
 
                reqItemRequest.CallContext = new InventItemServices.CallContext();
                reqItemRequest.CallContext.Company = "CAD";
                reqItemRequest.CallContext.Language = "en-us";
                reqItemRequest.CallContext.MessageId = Guid.NewGuid().ToString();
 
                prodRequest.CallContext = new EcoResProductServices.CallContext();
                prodRequest.CallContext.Language = "en-us";
                prodRequest.CallContext.Company = "CAD";
                prodRequest.CallContext.MessageId = Guid.NewGuid().ToString();
                
                request.CallContext = new Tutorial.AIF.CreateItem.InventItemServices.CallContext();
                request.CallContext.Language = "en-us";
                request.CallContext.Company = "CAD";
                request.CallContext.MessageId = Guid.NewGuid().ToString();
 
                AxdEntity_Product_EcoResProduct[] ecoResProduct = new AxdEntity_Product_EcoResProduct[1];
                ecoResProduct[0] = new AxdEntity_Product_EcoResDistinctProduct();
                ecoResProduct[0].ProductType = AxdEnum_EcoResProductType.Item;
                ecoResProduct[0].SearchName = "68727900121";
                ecoResProduct[0].DisplayProductNumber = "ITEM002";
 
                AxdEntity_Translation prodTranslation = new AxdEntity_Translation();
                prodTranslation.Name = "ITEM002";
                prodTranslation.LanguageId = "en-us";
 
                ecoResProduct[0].Translation = new[] { prodTranslation };
 
 
                AxdEntity_Identifier identifier = new AxdEntity_Identifier();
                identifier.ProductNumber = "68727900121";
 
                ecoResProduct[0].Identifier = new AxdEntity_Identifier[1];
                ecoResProduct[0].Identifier[0] = identifier;
 
 
                AxdEcoResProduct product = new AxdEcoResProduct();
                product.Product = ecoResProduct;
 
                prodClient.Open();
                Tutorial.AIF.CreateItem.EcoResProductServices.EntityKey[] keys = prodClient.create(prodRequest.CallContext, product);
                prodClient.Close();
 
                AxdEntity_InventTable[] inventTable = new AxdEntity_InventTable[1];
                inventTable[0] = new AxdEntity_InventTable();
                inventTable[0].ItemId = "ITEM002";
                inventTable[0].NameAlias = "ITEMNAMEALIAS";
                inventTable[0].Product = "ITEM002";
                //inventTable[0].Product = keys[0].KeyData[0].Value.Trim();
 
                inventTable[0].StorageDimensionGroup = new[] { new AxdEntity_StorageDimensionGroup { StorageDimensionGroup = "DEF", ItemId = inventTable[0].ItemId } };
                inventTable[0].TrackingDimensionGroup = new[] { new AxdEntity_TrackingDimensionGroup { TrackingDimensionGroup = "DEF", ItemId = inventTable[0].ItemId } };
                inventTable[0].InventModelGroupItem = new[] { new AxdEntity_InventModelGroupItem { ModelGroupId = "DEF", ItemId = inventTable[0].ItemId } };
                inventTable[0].InventItemGroupItem = new[] { new AxdEntity_InventItemGroupItem { ItemGroupId = "ALL", ItemId = inventTable[0].ItemId } };
 
                //if you want to insert reqItemTable (item coverage settings) you need to create a service for that 
                
                //INVENTDIMID
                inventTable[0].InventItemPurchSetup = new[] { 
                    new AxdEntity_InventItemPurchSetup {  
                        //HERE WE WILL ADD ORDER SPECIFIC SETTINGS FOR THIS PARTICULAR ITEM
                        ItemId = inventTable[0].ItemId,
                        InventDimPurchSetup = new AxdEntity_InventDimPurchSetup[] {
                            new AxdEntity_InventDimPurchSetup() {
                                InventDimId = "AllBlank"
                            }
                        },
                        DefaultInventDimPurchSetup = new [] {
                            new AxdEntity_DefaultInventDimPurchSetup() {
                                InventDimId = "AllBlank",
                                InventSiteId = "MTL-01"
                            }
                        }
                    },
                    //HERE WE WILL ADD SITE SPECIFIC SETTINGS FOR THIS PARTICULAR ITEM
                     new AxdEntity_InventItemPurchSetup {  
                        ItemId = inventTable[0].ItemId,
                        InventDimPurchSetup = new AxdEntity_InventDimPurchSetup[] {
                            new AxdEntity_InventDimPurchSetup() {
                                InventSiteId = "MTL-01"
                            }
                        },
                        DefaultInventDimPurchSetup = new [] {
                            new AxdEntity_DefaultInventDimPurchSetup() {
                                InventLocationId = "01"
                            }
                        }
                    },
                };
 
 
                inventTable[0].InventItemSalesSetup = new[] { 
                    new AxdEntity_InventItemSalesSetup {  
                        ItemId = inventTable[0].ItemId,
                        InventDimSalesSetup = new AxdEntity_InventDimSalesSetup[] {
                            new AxdEntity_InventDimSalesSetup() {
                                InventDimId = "AllBlank"
                            }
                        },
                        DefaultInventDimSalesSetup = new [] {
                            new AxdEntity_DefaultInventDimSalesSetup() {
                                InventDimId = "AllBlank",
                                InventSiteId = "MTL-01"
                            }
                        }
 
                    },
                    new AxdEntity_InventItemSalesSetup {  
                        ItemId = inventTable[0].ItemId,
                        InventDimSalesSetup = new AxdEntity_InventDimSalesSetup[] {
                            new AxdEntity_InventDimSalesSetup() {
                                InventSiteId = "MTL-01"
                            }
                        },
                        DefaultInventDimSalesSetup = new [] {
                            new AxdEntity_DefaultInventDimSalesSetup() {
                                InventLocationId = "01"
                            }
                        }
 
                    }
                };
 
                inventTable[0].InventItemInventSetup = new[] { 
                   new AxdEntity_InventItemInventSetup {  
                        ItemId = inventTable[0].ItemId,
                        InventDimInventSetup = new AxdEntity_InventDimInventSetup[] {
                            new AxdEntity_InventDimInventSetup() {
                                InventDimId = "AllBlank"
                            }
                        },
                        DefaultInventDimInventSetup = new [] {
                            new AxdEntity_DefaultInventDimInventSetup() {
                                InventDimId = "AllBlank",
                                InventSiteId = "MTL-01"
                            }
                        }
 
                    },
                    new AxdEntity_InventItemInventSetup {  
                        ItemId = inventTable[0].ItemId,
                        InventDimInventSetup = new AxdEntity_InventDimInventSetup[] {
                            new AxdEntity_InventDimInventSetup() {
                                InventSiteId = "MTL-01"
                            }
                        },
                        DefaultInventDimInventSetup = new [] {
                            new AxdEntity_DefaultInventDimInventSetup() {
                                InventLocationId = "01"
                            }
                        }
 
                    }
                };
 
 
                AxdItem items = new AxdItem();
                items.InventTable = inventTable;
 
                client.Open();
                client.create(request.CallContext, items);
                client.Close();
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                Console.Read();
            }
 
 
        }
    }
}
 
Imparted from here