Create Item

//  Create a Map to store all the data of an Item 1
Map<String, Object> nsItem1 = new Map<String, Object>();
    nsItem1.put('itemType', 'nonInventoryResaleItem');
    nsItem1.put('itemId', 'Leather Jacket');
    nsItem1.put('taxSchedule', new Map<String, Object>{'internalId'=>'1'});
    nsItem1.put('incomeAccount', new Map<String, Object>{'internalId'=>'54'});
    nsItem1.put('expenseAccount', new Map<String, Object>{'internalId'=>'58'});
    nsItem1.put('salesDescription', 'Blue Color Leather Jacket');

//  Provide the Subsidiary List   
    List<Object> subsidiaryList1 = new List<Object>{new Map<String, Object>{'internalId'=>'1'}};
    nsItem1.put('subsidiaryList', new Map<String, Object>{'recordRef'=>subsidiaryList1});
    nsItem1.put('includeChildren', TRUE);

//  Initializing the Item Custom Fields
List<Object> itemCustomFieldList = new List<Object>();
Map<String,Object> itemCustomField = new Map<String,Object>();
    itemCustomField.put('fieldType', 'select');
    itemCustomField.put('scriptId', 'custitem_standardlist');
    itemCustomField.put('valueLookup', new Map<String,Object>{'internalId'=>'2'});
    itemCustomFieldList.add(itemCustomField);
Map<String,Object> itemCustomField1 = new Map<String,Object>();
    itemCustomField1.put('fieldType', 'boolean');
    itemCustomField1.put('scriptId', 'custitem_checkbox');
    itemCustomField1.put('value','true');
    itemCustomFieldList.add(itemCustomField1);

//  Adding the Item Custom Fields
    nsItem1.put('customFieldList', new Map<String,Object>{'customField'=>itemCustomFieldList});

//  Create a Map to store all the data of an Item 2
Map<String, Object> nsItem2 = new Map<String, Object>();
    nsItem2.put('itemType', 'nonInventorySaleItem');
    nsItem2.put('itemId', 'Laptop');
    nsItem2.put('taxSchedule', new Map<String, Object>{'internalId'=>'1'});

//  Provide the Subsidiary List   
    List<Object> subsidiaryList2 = new List<Object>{new Map<String, Object>{'internalId'=>'1'}};
    nsItem2.put('subsidiaryList', new Map<String, Object>{'recordRef'=>subsidiaryList2});


//  Initializing the RequestJSON Data to be passed.
Map<String, Object> requestJSONMap = new Map<String, Object>();
    requestJSONMap.put('items', new List<Object>{nsItem1, nsItem2}); // similarly we can upto 20 items to the list 
    String reqJSON = JSON.serialize(requestJSONMap);

Map<String, Object> reqObj = new Map<String, Object>();
    reqObj.put('version', '1.0');
    reqObj.put('action', 'createItem');
    reqObj.put('requestJSON', reqJSON);

//  Placing a request to Breadwinner Global API
Map<String, Object> resp = breadwinner_ns.BreadwinnerNetSuiteAPI.call(reqObj);
System.debug(resp);

{
  action=createItem,
  timestamp=1606829457729,
  validRequest=true,
  version=1.0,
  responseJSON={
    "status": "200",
    "errors": [],
    "items": [
      {
        "useMarginalRates": false,
        "unitsType": null,
        "taxSchedule": {
          "name": "Default Tax-Schedule",
          "internalId": "1"
        },
        "subsidiaryList": {
          "recordRef": [
            {
              "type": null,
              "name": "Parent Company",
              "internalId": "1",
              "externalId": null
            }
          ]
        },
        "shippingCost": null,
        "salesforceId": "a082w0000072U8hAAE",
        "salesDescription": "Blue Color Leather Jacket",
        "rate": null,
        "quantityPricingSchedule": null,
        "purchaseDescription": null,
        "pricingMatrix": null,
        "pricingGroup": null,
        "preferredLocation": null,
        "parent": null,
        "overallQuantityPricingType": "_byLineQuantity",
        "minimumQuantity": null,
        "memberList": null,
        "maximumQuantity": null,
        "matrixType": null,
        "locationsList": null,
        "location": null,
        "lastModifiedDate": 1606829455,
        "itemType": "NonInventoryResaleItem",
        "itemId": "Leather Jacket",
        "isInactive": false,
        "internalId": "7718",
        "incomeAccount": {
          "type": null,
          "name": "Sales",
          "internalId": "54",
          "externalId": null
        },
        "includeChildren": true,
        "handlingCost": null,
        "externalId": null,
        "expenseAccount": {
          "type": null,
          "name": "Expenses",
          "internalId": "58",
          "externalId": null
        },
        "displayName": null,
        "description": null,
        "department": null,
        "customForm": {
          "type": null,
          "name": "Custom Non-Inventory Part Form",
          "internalId": "5",
          "externalId": null
        },
        "customFieldList": {
          "customField": [
            {
              "valueLookup": {
                "type": null,
                "name": "Retailer",
                "internalId": "2",
                "externalId": null
              },
              "value": null,
              "scriptId": "custitem_standardlist",
              "internalId": "457",
              "fieldType": null
            },
            {
              "valueLookup": null,
              "value": "true",
              "scriptId": "custitem_checkbox",
              "internalId": "250",
              "fieldType": null
            }
          ]
        },
        "currencyValue": "1",
        "createdDate": 1606829455,
        "cost": null,
        "cogsAccount": null,
        "classification": null,
        "assetAccount": null,
        "account": null
      },
      {
        "useMarginalRates": false,
        "unitsType": null,
        "taxSchedule": {
          "name": "Default Tax-Schedule",
          "internalId": "1"
        },
        "subsidiaryList": {
          "recordRef": [
            {
              "type": null,
              "name": "Parent Company",
              "internalId": "1",
              "externalId": null
            }
          ]
        },
        "shippingCost": null,
        "salesforceId": "a082w0000072U8iAAE",
        "salesDescription": null,
        "rate": null,
        "quantityPricingSchedule": null,
        "purchaseDescription": null,
        "pricingMatrix": null,
        "pricingGroup": null,
        "preferredLocation": null,
        "parent": null,
        "overallQuantityPricingType": "_byLineQuantity",
        "minimumQuantity": null,
        "memberList": null,
        "maximumQuantity": null,
        "matrixType": null,
        "locationsList": null,
        "location": null,
        "lastModifiedDate": 1606829456,
        "itemType": "NonInventorySaleItem",
        "itemId": "Laptop",
        "isInactive": false,
        "internalId": "7719",
        "incomeAccount": {
          "type": null,
          "name": "Sales",
          "internalId": "54",
          "externalId": null
        },
        "includeChildren": false,
        "handlingCost": null,
        "externalId": null,
        "expenseAccount": null,
        "displayName": null,
        "description": null,
        "department": null,
        "customForm": {
          "type": null,
          "name": "Custom Non-Inventory Part Form",
          "internalId": "5",
          "externalId": null
        },
        "customFieldList": {
          "customField": [
            {
              "valueLookup": null,
              "value": "false",
              "scriptId": "custitem_checkbox",
              "internalId": "250",
              "fieldType": null
            }
          ]
        },
        "currencyValue": null,
        "createdDate": 1606829456,
        "cost": null,
        "cogsAccount": null,
        "classification": null,
        "assetAccount": null,
        "account": null
      }
    ]
  }
}