diff --git a/Retailcrm/Connection.cs b/Retailcrm/Connection.cs
index 64420f7..ea7056c 100644
--- a/Retailcrm/Connection.cs
+++ b/Retailcrm/Connection.cs
@@ -2,10 +2,18 @@
 {
     using System.Collections.Generic;
 
+    /// <summary>
+    /// Unversioned API Client
+    /// </summary>
     public class Connection
     {
         private readonly Request _request;
-        
+
+        /// <summary>
+        /// Unversioned API Client Constructor
+        /// </summary>
+        /// <param name="url"></param>
+        /// <param name="key"></param>
         public Connection(string url, string key)
         {
             if ("/" != url.Substring(url.Length - 1, 1))
@@ -18,6 +26,10 @@
             _request = new Request(url, new Dictionary<string, object> { { "apiKey", key } });
         }
 
+        /// <summary>
+        /// Get available API versions
+        /// </summary>
+        /// <returns></returns>
         public Response Versions()
         {
             return _request.MakeRequest(
@@ -26,6 +38,10 @@
             );
         }
 
+        /// <summary>
+        /// Get available API methods
+        /// </summary>
+        /// <returns></returns>
         public Response Credentials()
         {
             return _request.MakeRequest(
diff --git a/Retailcrm/QueryBuilder.cs b/Retailcrm/QueryBuilder.cs
index 1dc4536..cef037a 100644
--- a/Retailcrm/QueryBuilder.cs
+++ b/Retailcrm/QueryBuilder.cs
@@ -5,11 +5,20 @@
     using System.Collections.Generic;
     using System.Linq;
 
+    /// <summary>
+    /// QueryBuilder
+    /// </summary>
     public class QueryBuilder
     {
         private readonly List<KeyValuePair<string, object>> _keyValuePairs
             = new List<KeyValuePair<string, object>>();
 
+        /// <summary>
+        /// Build PHP like query string
+        /// </summary>
+        /// <param name="queryData"></param>
+        /// <param name="argSeperator"></param>
+        /// <returns></returns>
         public static string BuildQueryString(object queryData, string argSeperator = "&")
         {
             var encoder = new QueryBuilder();
diff --git a/Retailcrm/Request.cs b/Retailcrm/Request.cs
index f1685de..bac5dde 100644
--- a/Retailcrm/Request.cs
+++ b/Retailcrm/Request.cs
@@ -7,9 +7,18 @@
     using System.Net;
     using System.Text;
 
+    /// <summary>
+    /// Request
+    /// </summary>
     public class Request
     {
+        /// <summary>
+        /// Get method
+        /// </summary>
         public const string MethodGet = "GET";
+        /// <summary>
+        /// Post method
+        /// </summary>
         public const string MethodPost = "POST";
         private const string UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";
         private const string ContentType = "application/x-www-form-urlencoded";
@@ -17,6 +26,12 @@
         private readonly string _url;
         private readonly Dictionary<string, object> _defaultParameters;
 
+        /// <summary>
+        /// Request constructor
+        /// </summary>
+        /// <param name="apiUrl"></param>
+        /// <param name="parameters"></param>
+        /// <exception cref="ArgumentException"></exception>
         public Request(string apiUrl, Dictionary<string, object> parameters = null)
         {
             if (apiUrl.IndexOf("https://", StringComparison.Ordinal) == -1)
@@ -28,6 +43,15 @@
             _defaultParameters = parameters;
         }
 
+        /// <summary>
+        /// Make request method
+        /// </summary>
+        /// <param name="path"></param>
+        /// <param name="method"></param>
+        /// <param name="parameters"></param>
+        /// <returns></returns>
+        /// <exception cref="ArgumentException"></exception>
+        /// <exception cref="WebException"></exception>
         public Response MakeRequest(string path, string method, Dictionary<string, object> parameters = null)
         {
             string[] allowedMethods = { MethodGet, MethodPost };
diff --git a/Retailcrm/Response.cs b/Retailcrm/Response.cs
index 3e3a4ae..fe836eb 100644
--- a/Retailcrm/Response.cs
+++ b/Retailcrm/Response.cs
@@ -3,12 +3,21 @@
     using System;
     using System.Collections.Generic;
 
+    /// <summary>
+    /// Response
+    /// </summary>
     public class Response
     {
         private readonly int _statusCode;
         private readonly string _rawResponse;
         private readonly Dictionary<string, object> _responseData;
 
+        /// <summary>
+        /// Response constructor
+        /// </summary>
+        /// <param name="statusCode"></param>
+        /// <param name="responseBody"></param>
+        /// <exception cref="ArgumentException"></exception>
         public Response(int statusCode, string responseBody = null)
         {
             _statusCode = statusCode;
@@ -24,21 +33,37 @@
             _responseData = (Dictionary<string, object>)jsSerializer.DeserializeObject(responseBody);
         }
 
+        /// <summary>
+        /// Get response status code
+        /// </summary>
+        /// <returns></returns>
         public int GetStatusCode()
         {
             return _statusCode;
         }
 
+        /// <summary>
+        /// Get response body data
+        /// </summary>
+        /// <returns></returns>
         public Dictionary<string, object> GetResponse()
         {
             return _responseData;
         }
 
+        /// <summary>
+        /// Get raw response body
+        /// </summary>
+        /// <returns></returns>
         public string GetRawResponse()
         {
             return _rawResponse;
         }
 
+        /// <summary>
+        /// Check response is successfull
+        /// </summary>
+        /// <returns></returns>
         public bool IsSuccessfull()
         {
             return _statusCode < 400;
diff --git a/Retailcrm/Retailcrm.csproj b/Retailcrm/Retailcrm.csproj
index a8abe9b..9322c2c 100644
--- a/Retailcrm/Retailcrm.csproj
+++ b/Retailcrm/Retailcrm.csproj
@@ -31,6 +31,9 @@
     <DocumentationFile>bin\Release\Retailcrm.xml</DocumentationFile>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="JetBrains.Annotations, Version=11.0.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>..\..\Marwin\packages\JetBrains.Annotations.11.0.0\lib\net20\JetBrains.Annotations.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Runtime.Serialization" />
@@ -78,6 +81,7 @@
     <Compile Include="Versions\V5\Users.cs" />
   </ItemGroup>
   <ItemGroup>
+    <None Include="packages.config" />
     <None Include="Retailcrm.nuspec" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/Retailcrm/Versions/V3/Client.cs b/Retailcrm/Versions/V3/Client.cs
index 0108130..f5eb81f 100644
--- a/Retailcrm/Versions/V3/Client.cs
+++ b/Retailcrm/Versions/V3/Client.cs
@@ -4,11 +4,26 @@
     using System.Collections.Generic;
     using System.Linq;
 
+    /// <summary>
+    /// V3 Client
+    /// </summary>
     public partial class Client
     {
+        /// <summary>
+        /// Request
+        /// </summary>
         protected Request Request;
+        /// <summary>
+        /// Site code
+        /// </summary>
         protected string SiteCode;
 
+        /// <summary>
+        /// V3 Client Constructor
+        /// </summary>
+        /// <param name="url"></param>
+        /// <param name="key"></param>
+        /// <param name="site"></param>
         public Client(string url, string key, string site = "")
         {
             if ("/" != url.Substring(url.Length - 1, 1))
diff --git a/Retailcrm/Versions/V3/Customers.cs b/Retailcrm/Versions/V3/Customers.cs
index a44cf7a..7c8a906 100644
--- a/Retailcrm/Versions/V3/Customers.cs
+++ b/Retailcrm/Versions/V3/Customers.cs
@@ -6,6 +6,13 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Create customer
+        /// </summary>
+        /// <param name="customer"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
+        /// <exception cref="ArgumentException"></exception>
         public Response CustomersCreate(Dictionary<string, object> customer, string site = "")
         {
             if (customer.Count < 1)
@@ -26,6 +33,14 @@
             );
         }
 
+        /// <summary>
+        /// Update customer
+        /// </summary>
+        /// <param name="customer"></param>
+        /// <param name="by"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
+        /// <exception cref="ArgumentException"></exception>
         public Response CustomersUpdate(Dictionary<string, object> customer, string by = "externalId", string site = "")
         {
             if (customer.Count < 1)
@@ -56,6 +71,13 @@
             );
         }
 
+        /// <summary>
+        /// Get customer
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="by"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response CustomersGet(string id, string by = "externalId", string site = "")
         {
             CheckIdParameter(by);
@@ -72,6 +94,13 @@
             );
         }
 
+        /// <summary>
+        /// Get customers list
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response CustomersList(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
@@ -94,6 +123,11 @@
             return Request.MakeRequest("/customers", Request.MethodGet, parameters);
         }
 
+        /// <summary>
+        /// Fix external id
+        /// </summary>
+        /// <param name="ids"></param>
+        /// <returns></returns>
         public Response CustomersFixExternalIds(Dictionary<string, object>[] ids)
         {
             return Request.MakeRequest(
@@ -106,6 +140,13 @@
             );
         }
 
+        /// <summary>
+        /// Upload customers
+        /// </summary>
+        /// <param name="customers"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
+        /// <exception cref="ArgumentException"></exception>
         public Response CustomersUpload(List<object> customers, string site = "")
         {
             if (customers.Count < 1)
diff --git a/Retailcrm/Versions/V3/Orders.cs b/Retailcrm/Versions/V3/Orders.cs
index 6fe9372..f62b244 100644
--- a/Retailcrm/Versions/V3/Orders.cs
+++ b/Retailcrm/Versions/V3/Orders.cs
@@ -6,6 +6,12 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Create order
+        /// </summary>
+        /// <param name="order"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response OrdersCreate(Dictionary<string, object> order, string site = "")
         {
             if (order.Count < 1)
@@ -26,6 +32,13 @@
             );
         }
 
+        /// <summary>
+        /// Update order
+        /// </summary>
+        /// <param name="order"></param>
+        /// <param name="by"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response OrdersUpdate(Dictionary<string, object> order, string by = "externalId", string site = "")
         {
             if (order.Count < 1)
@@ -56,6 +69,13 @@
             );
         }
 
+        /// <summary>
+        /// Get order
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="by"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response OrdersGet(string id, string by = "externalId", string site = "")
         {
             CheckIdParameter(by);
@@ -72,7 +92,14 @@
             );
         }
 
-        public Response OrdersList(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
+        public Response OrdersList(Dictionary<string, object> filter = null, int page = 1, int limit = 20)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
 
@@ -81,12 +108,12 @@
                 parameters.Add("filter", filter);
             }
 
-            if (page > 0)
+            if (page > 1)
             {
                 parameters.Add("page", page);
             }
 
-            if (limit > 0)
+            if (limit > 20)
             {
                 parameters.Add("limit", limit);
             }
@@ -94,6 +121,11 @@
             return Request.MakeRequest("/orders", Request.MethodGet, parameters);
         }
 
+        /// <summary>
+        /// Fix external ids
+        /// </summary>
+        /// <param name="ids"></param>
+        /// <returns></returns>
         public Response OrdersFixExternalIds(Dictionary<string, object>[] ids)
         {
             return Request.MakeRequest(
@@ -106,6 +138,15 @@
             );
         }
 
+        /// <summary>
+        /// Get orders history
+        /// </summary>
+        /// <param name="startDate"></param>
+        /// <param name="endDate"></param>
+        /// <param name="limit"></param>
+        /// <param name="offset"></param>
+        /// <param name="skipMyChanges"></param>
+        /// <returns></returns>
         public Response OrdersHistory(DateTime? startDate = null, DateTime? endDate = null, int limit = 200, int offset = 0, bool skipMyChanges = true)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
@@ -139,6 +180,12 @@
             );
         }
 
+        /// <summary>
+        /// Get orders statuses
+        /// </summary>
+        /// <param name="ids"></param>
+        /// <param name="externalIds"></param>
+        /// <returns></returns>
         public Response OrdersStatuses(List<string> ids, List<string> externalIds = null)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
@@ -174,6 +221,12 @@
             );
         }
 
+        /// <summary>
+        /// Orders upload
+        /// </summary>
+        /// <param name="orders"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response OrdersUpload(List<object> orders, string site = "")
         {
             if (orders.Count < 1)
diff --git a/Retailcrm/Versions/V3/Packs.cs b/Retailcrm/Versions/V3/Packs.cs
index 3a81f8b..4dd6d69 100644
--- a/Retailcrm/Versions/V3/Packs.cs
+++ b/Retailcrm/Versions/V3/Packs.cs
@@ -6,6 +6,13 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Get packs list
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response PacksList(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
@@ -28,6 +35,11 @@
             return Request.MakeRequest("/orders/packs", Request.MethodGet, parameters);
         }
 
+        /// <summary>
+        /// Create pack
+        /// </summary>
+        /// <param name="pack"></param>
+        /// <returns></returns>
         public Response PacksCreate(Dictionary<string, object> pack)
         {
             if (pack.Count < 1)
@@ -45,6 +57,11 @@
             );
         }
 
+        /// <summary>
+        /// Update pack data
+        /// </summary>
+        /// <param name="pack"></param>
+        /// <returns></returns>
         public Response PacksUpdate(Dictionary<string, object> pack)
         {
             if (pack.Count < 1)
@@ -67,6 +84,11 @@
             );
         }
 
+        /// <summary>
+        /// Delete pack
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
         public Response PacksDelete(string id)
         {
             return Request.MakeRequest(
@@ -75,6 +97,11 @@
             );
         }
 
+        /// <summary>
+        /// Get pack by id
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
         public Response PacksGet(string id)
         {
             return Request.MakeRequest(
@@ -83,6 +110,13 @@
             );
         }
 
+        /// <summary>
+        /// Get packs history
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response PacksHistory(Dictionary<string, object> filter = null, int page = 1, int limit = 20)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
diff --git a/Retailcrm/Versions/V3/References.cs b/Retailcrm/Versions/V3/References.cs
index f9fed36..1e8a450 100644
--- a/Retailcrm/Versions/V3/References.cs
+++ b/Retailcrm/Versions/V3/References.cs
@@ -6,6 +6,10 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Countries
+        /// </summary>
+        /// <returns></returns>
         public Response Countries()
         {
             return Request.MakeRequest(
@@ -14,6 +18,10 @@
             );
         }
 
+        /// <summary>
+        /// Delivery services
+        /// </summary>
+        /// <returns></returns>
         public Response DeliveryServices()
         {
             return Request.MakeRequest(
@@ -22,6 +30,10 @@
             );
         }
 
+        /// <summary>
+        /// Delivery types
+        /// </summary>
+        /// <returns></returns>
         public Response DeliveryTypes()
         {
             return Request.MakeRequest(
@@ -30,6 +42,10 @@
             );
         }
 
+        /// <summary>
+        /// Order methods
+        /// </summary>
+        /// <returns></returns>
         public Response OrderMethods()
         {
             return Request.MakeRequest(
@@ -38,6 +54,10 @@
             );
         }
 
+        /// <summary>
+        /// Order types
+        /// </summary>
+        /// <returns></returns>
         public Response OrderTypes()
         {
             return Request.MakeRequest(
@@ -46,6 +66,10 @@
             );
         }
 
+        /// <summary>
+        /// Payment statuses
+        /// </summary>
+        /// <returns></returns>
         public Response PaymentStatuses()
         {
             return Request.MakeRequest(
@@ -54,6 +78,10 @@
             );
         }
 
+        /// <summary>
+        /// Payment types
+        /// </summary>
+        /// <returns></returns>
         public Response PaymentTypes()
         {
             return Request.MakeRequest(
@@ -62,6 +90,10 @@
             );
         }
 
+        /// <summary>
+        /// Product statuses
+        /// </summary>
+        /// <returns></returns>
         public Response ProductStatuses()
         {
             return Request.MakeRequest(
@@ -70,6 +102,10 @@
             );
         }
 
+        /// <summary>
+        /// Sites
+        /// </summary>
+        /// <returns></returns>
         public Response Sites()
         {
             return Request.MakeRequest(
@@ -78,6 +114,10 @@
             );
         }
 
+        /// <summary>
+        /// Statuses groups
+        /// </summary>
+        /// <returns></returns>
         public Response StatusGroups()
         {
             return Request.MakeRequest(
@@ -86,6 +126,10 @@
             );
         }
 
+        /// <summary>
+        /// Statuses
+        /// </summary>
+        /// <returns></returns>
         public Response Statuses()
         {
             return Request.MakeRequest(
@@ -94,6 +138,10 @@
             );
         }
 
+        /// <summary>
+        /// Stores
+        /// </summary>
+        /// <returns></returns>
         public Response Stores()
         {
             return Request.MakeRequest(
@@ -102,6 +150,11 @@
             );
         }
 
+        /// <summary>
+        /// Delivery services edit
+        /// </summary>
+        /// <param name="service"></param>
+        /// <returns></returns>
         public Response DeliveryServicesEdit(Dictionary<string, object> service)
         {
             if (!service.ContainsKey("code"))
@@ -124,6 +177,11 @@
             );
         }
 
+        /// <summary>
+        /// Delivery types edit
+        /// </summary>
+        /// <param name="type"></param>
+        /// <returns></returns>
         public Response DeliveryTypesEdit(Dictionary<string, object> type)
         {
             if (!type.ContainsKey("code"))
@@ -156,6 +214,11 @@
             );
         }
 
+        /// <summary>
+        /// Orders methods edit
+        /// </summary>
+        /// <param name="method"></param>
+        /// <returns></returns>
         public Response OrderMethodsEdit(Dictionary<string, object> method)
         {
             if (!method.ContainsKey("code"))
@@ -178,6 +241,11 @@
             );
         }
 
+        /// <summary>
+        /// Order types edit
+        /// </summary>
+        /// <param name="type"></param>
+        /// <returns></returns>
         public Response OrderTypesEdit(Dictionary<string, object> type)
         {
             if (!type.ContainsKey("code"))
@@ -200,6 +268,11 @@
             );
         }
 
+        /// <summary>
+        /// Payment statuses edit
+        /// </summary>
+        /// <param name="status"></param>
+        /// <returns></returns>
         public Response PaymentStatusesEdit(Dictionary<string, object> status)
         {
             if (!status.ContainsKey("code"))
@@ -222,6 +295,11 @@
             );
         }
 
+        /// <summary>
+        /// Payment types edit
+        /// </summary>
+        /// <param name="type"></param>
+        /// <returns></returns>
         public Response PaymentTypesEdit(Dictionary<string, object> type)
         {
             if (!type.ContainsKey("code"))
@@ -244,6 +322,11 @@
             );
         }
 
+        /// <summary>
+        /// Product statuses edit
+        /// </summary>
+        /// <param name="status"></param>
+        /// <returns></returns>
         public Response ProductStatusesEdit(Dictionary<string, object> status)
         {
             if (!status.ContainsKey("code"))
@@ -266,6 +349,11 @@
             );
         }
 
+        /// <summary>
+        /// Sites edit
+        /// </summary>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response SitesEdit(Dictionary<string, object> site)
         {
             if (!site.ContainsKey("code"))
@@ -293,6 +381,11 @@
             );
         }
 
+        /// <summary>
+        /// Statuses edit
+        /// </summary>
+        /// <param name="status"></param>
+        /// <returns></returns>
         public Response StatusesEdit(Dictionary<string, object> status)
         {
             if (!status.ContainsKey("code"))
@@ -325,6 +418,11 @@
             );
         }
 
+        /// <summary>
+        /// Stores edit
+        /// </summary>
+        /// <param name="store"></param>
+        /// <returns></returns>
         public Response StoresEdit(Dictionary<string, object> store)
         {
             if (!store.ContainsKey("code"))
diff --git a/Retailcrm/Versions/V3/Statistic.cs b/Retailcrm/Versions/V3/Statistic.cs
index acf97fa..fbb93f2 100644
--- a/Retailcrm/Versions/V3/Statistic.cs
+++ b/Retailcrm/Versions/V3/Statistic.cs
@@ -2,6 +2,10 @@
 {
     public partial class Client
     {
+        /// <summary>
+        /// Update statistic
+        /// </summary>
+        /// <returns></returns>
         public Response StatisticUpdate()
         {
             return Request.MakeRequest(
diff --git a/Retailcrm/Versions/V3/Stores.cs b/Retailcrm/Versions/V3/Stores.cs
index c95f7cb..829c48f 100644
--- a/Retailcrm/Versions/V3/Stores.cs
+++ b/Retailcrm/Versions/V3/Stores.cs
@@ -6,6 +6,13 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Get inventories
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response StoreInventoriesGet(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
@@ -28,6 +35,12 @@
             return Request.MakeRequest("/store/inventories", Request.MethodGet, parameters);
         }
 
+        /// <summary>
+        /// Upload inventories
+        /// </summary>
+        /// <param name="offers"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response StoreInventoriesUpload(List<object> offers, string site = "")
         {
             if (offers.Count< 1)
diff --git a/Retailcrm/Versions/V4/Client.cs b/Retailcrm/Versions/V4/Client.cs
index c6b44a4..30584f2 100644
--- a/Retailcrm/Versions/V4/Client.cs
+++ b/Retailcrm/Versions/V4/Client.cs
@@ -3,8 +3,17 @@
     using System.Collections.Generic;
     using ParentClass = V3.Client;
 
+    /// <summary>
+    /// V4 Client
+    /// </summary>
     public partial class Client : ParentClass
     {
+        /// <summary>
+        /// V4 Client Constructor
+        /// </summary>
+        /// <param name="url"></param>
+        /// <param name="key"></param>
+        /// <param name="site"></param>
         public Client(string url, string key, string site = "") : base(url, key, site)
         {
             if ("/" != url.Substring(url.Length - 1, 1))
diff --git a/Retailcrm/Versions/V4/Customers.cs b/Retailcrm/Versions/V4/Customers.cs
index 90d5c7b..d3a3452 100644
--- a/Retailcrm/Versions/V4/Customers.cs
+++ b/Retailcrm/Versions/V4/Customers.cs
@@ -4,6 +4,13 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Customers history
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response CustomersHistory(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
diff --git a/Retailcrm/Versions/V4/Delivery.cs b/Retailcrm/Versions/V4/Delivery.cs
index 31e3b15..a530a80 100644
--- a/Retailcrm/Versions/V4/Delivery.cs
+++ b/Retailcrm/Versions/V4/Delivery.cs
@@ -6,6 +6,11 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Get delivery settings
+        /// </summary>
+        /// <param name="code"></param>
+        /// <returns></returns>
         public Response DeliverySettingGet(string code)
         {
             if (string.IsNullOrEmpty(code))
@@ -19,6 +24,11 @@
             );
         }
 
+        /// <summary>
+        /// Edit delivery settings
+        /// </summary>
+        /// <param name="configuration"></param>
+        /// <returns></returns>
         public Response DeliverySettingsEdit(Dictionary<string, object> configuration)
         {
             if (configuration.Count < 1)
@@ -56,6 +66,12 @@
             );
         }
 
+        /// <summary>
+        /// Update delivery tracking
+        /// </summary>
+        /// <param name="code"></param>
+        /// <param name="statusUpdate"></param>
+        /// <returns></returns>
         public Response DeliveryTracking(string code, List<object> statusUpdate)
         {
             if (string.IsNullOrEmpty(code))
diff --git a/Retailcrm/Versions/V4/Marketplace.cs b/Retailcrm/Versions/V4/Marketplace.cs
index 46930c4..7e7f465 100644
--- a/Retailcrm/Versions/V4/Marketplace.cs
+++ b/Retailcrm/Versions/V4/Marketplace.cs
@@ -6,6 +6,11 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Edit marketplace module settings
+        /// </summary>
+        /// <param name="configuration"></param>
+        /// <returns></returns>
         public Response MarketplaceSettingsEdit(Dictionary<string, object> configuration)
         {
             if (configuration.Count < 1)
diff --git a/Retailcrm/Versions/V4/Orders.cs b/Retailcrm/Versions/V4/Orders.cs
index d5a2083..ec747a2 100644
--- a/Retailcrm/Versions/V4/Orders.cs
+++ b/Retailcrm/Versions/V4/Orders.cs
@@ -4,6 +4,13 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Get orders history
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response OrdersHistory(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
diff --git a/Retailcrm/Versions/V4/References.cs b/Retailcrm/Versions/V4/References.cs
index 05bbd2e..5abd0c5 100644
--- a/Retailcrm/Versions/V4/References.cs
+++ b/Retailcrm/Versions/V4/References.cs
@@ -6,6 +6,10 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Price types
+        /// </summary>
+        /// <returns></returns>
         public Response PriceTypes()
         {
             return Request.MakeRequest(
@@ -14,6 +18,11 @@
             );
         }
 
+        /// <summary>
+        /// Price type edit
+        /// </summary>
+        /// <param name="type"></param>
+        /// <returns></returns>
         public Response PriceTypesEdit(Dictionary<string, object> type)
         {
             if (!type.ContainsKey("code"))
diff --git a/Retailcrm/Versions/V4/Stores.cs b/Retailcrm/Versions/V4/Stores.cs
index 558edfa..606967f 100644
--- a/Retailcrm/Versions/V4/Stores.cs
+++ b/Retailcrm/Versions/V4/Stores.cs
@@ -6,6 +6,13 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Get products
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response StoreProducts(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
@@ -28,6 +35,11 @@
             return Request.MakeRequest("/store/products", Request.MethodGet, parameters);
         }
 
+        /// <summary>
+        /// Upload prices
+        /// </summary>
+        /// <param name="prices"></param>
+        /// <returns></returns>
         public Response StorePricesUpload(List<object> prices)
         {
             if (prices.Count< 1)
@@ -50,6 +62,11 @@
             );
         }
 
+        /// <summary>
+        /// Get store settings
+        /// </summary>
+        /// <param name="code"></param>
+        /// <returns></returns>
         public Response StoreSettingGet(string code)
         {
             if (string.IsNullOrEmpty(code))
@@ -63,6 +80,11 @@
             );
         }
 
+        /// <summary>
+        /// Edit store settings
+        /// </summary>
+        /// <param name="configuration"></param>
+        /// <returns></returns>
         public Response StoreSettingsEdit(Dictionary<string, object> configuration)
         {
             if (configuration.Count < 1)
diff --git a/Retailcrm/Versions/V4/Users.cs b/Retailcrm/Versions/V4/Users.cs
index a15cd3d..9d6ed77 100644
--- a/Retailcrm/Versions/V4/Users.cs
+++ b/Retailcrm/Versions/V4/Users.cs
@@ -4,6 +4,13 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Get users
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response Users(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
@@ -26,6 +33,12 @@
             return Request.MakeRequest("/users", Request.MethodGet, parameters);
         }
 
+        /// <summary>
+        /// Get users groups
+        /// </summary>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response UsersGroups(int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
@@ -43,6 +56,11 @@
             return Request.MakeRequest("/user-groups", Request.MethodGet, parameters);
         }
 
+        /// <summary>
+        /// Get user
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
         public Response User(int id)
         {
             return Request.MakeRequest($"/users/{id}", Request.MethodGet);
diff --git a/Retailcrm/Versions/V5/Client.cs b/Retailcrm/Versions/V5/Client.cs
index 9cac00e..a2464fd 100644
--- a/Retailcrm/Versions/V5/Client.cs
+++ b/Retailcrm/Versions/V5/Client.cs
@@ -3,8 +3,17 @@
     using System.Collections.Generic;
     using ParentClass = V4.Client;
 
+    /// <summary>
+    /// V5 Client
+    /// </summary>
     public partial class Client : ParentClass
     {
+        /// <summary>
+        /// V5 Client Constructor
+        /// </summary>
+        /// <param name="url"></param>
+        /// <param name="key"></param>
+        /// <param name="site"></param>
         public Client(string url, string key, string site = "") : base(url, key, site)
         {
             if ("/" != url.Substring(url.Length - 1, 1))
diff --git a/Retailcrm/Versions/V5/Costs.cs b/Retailcrm/Versions/V5/Costs.cs
index 2d67312..6537c5e 100644
--- a/Retailcrm/Versions/V5/Costs.cs
+++ b/Retailcrm/Versions/V5/Costs.cs
@@ -6,6 +6,13 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Get costs
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response CostsList(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
@@ -28,6 +35,12 @@
             return Request.MakeRequest("/costs", Request.MethodGet, parameters);
         }
 
+        /// <summary>
+        /// Create cost
+        /// </summary>
+        /// <param name="cost"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response CostsCreate(Dictionary<string, object> cost, string site = "")
         {
             if (cost.Count < 1)
@@ -48,6 +61,11 @@
             );
         }
 
+        /// <summary>
+        /// Delete cost
+        /// </summary>
+        /// <param name="ids"></param>
+        /// <returns></returns>
         public Response CostsDelete(List<string> ids)
         {
             if (ids.Count < 1)
@@ -65,6 +83,11 @@
             );
         }
 
+        /// <summary>
+        /// Upload costs
+        /// </summary>
+        /// <param name="costs"></param>
+        /// <returns></returns>
         public Response CostsUpload(List<object> costs)
         {
             if (costs.Count < 1)
@@ -82,11 +105,21 @@
             );
         }
 
+        /// <summary>
+        /// Get cost
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
         public Response CostsGet(int id)
         {
             return Request.MakeRequest($"/costs/{id}", Request.MethodGet);
         }
 
+        /// <summary>
+        /// Batch delete
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
         public Response CostsDelete(string id)
         {
             return Request.MakeRequest(
@@ -95,6 +128,12 @@
             );
         }
 
+        /// <summary>
+        /// Update cost
+        /// </summary>
+        /// <param name="cost"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response CostsUpdate(Dictionary<string, object> cost, string site = "")
         {
             if (cost.Count < 1)
diff --git a/Retailcrm/Versions/V5/CustomFields.cs b/Retailcrm/Versions/V5/CustomFields.cs
index 5fff152..249fdc9 100644
--- a/Retailcrm/Versions/V5/CustomFields.cs
+++ b/Retailcrm/Versions/V5/CustomFields.cs
@@ -6,6 +6,13 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Get custom fields
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response CustomFieldsList(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
@@ -28,6 +35,12 @@
             return Request.MakeRequest("/custom-fields", Request.MethodGet, parameters);
         }
 
+        /// <summary>
+        /// Create custom field
+        /// </summary>
+        /// <param name="customField"></param>
+        /// <param name="entity"></param>
+        /// <returns></returns>
         public Response CustomFieldsCreate(Dictionary<string, object> customField, string entity = "")
         {
             List<string> types = new List<string>
@@ -72,6 +85,12 @@
             );
         }
 
+        /// <summary>
+        /// Get custom field
+        /// </summary>
+        /// <param name="code"></param>
+        /// <param name="entity"></param>
+        /// <returns></returns>
         public Response CustomFieldsGet(string code, string entity)
         {
             return Request.MakeRequest(
@@ -80,6 +99,12 @@
             );
         }
 
+        /// <summary>
+        /// Update custom field
+        /// </summary>
+        /// <param name="customField"></param>
+        /// <param name="entity"></param>
+        /// <returns></returns>
         public Response CustomFieldsUpdate(Dictionary<string, object> customField, string entity = "")
         {
             if (customField.Count < 1)
@@ -107,6 +132,13 @@
             );
         }
 
+        /// <summary>
+        /// Get custom dictionaries
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response CustomDictionaryList(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
@@ -129,6 +161,11 @@
             return Request.MakeRequest("/custom-fields/dictionaries", Request.MethodGet, parameters);
         }
 
+        /// <summary>
+        /// Create custom dictionary
+        /// </summary>
+        /// <param name="customDictionary"></param>
+        /// <returns></returns>
         public Response CustomDictionaryCreate(Dictionary<string, object> customDictionary)
         {
             if (customDictionary.Count < 1)
@@ -156,6 +193,11 @@
             );
         }
 
+        /// <summary>
+        /// Get custom dictionary
+        /// </summary>
+        /// <param name="code"></param>
+        /// <returns></returns>
         public Response CustomDictionaryGet(string code)
         {
             return Request.MakeRequest(
@@ -164,6 +206,11 @@
             );
         }
 
+        /// <summary>
+        /// Update custom dictionary
+        /// </summary>
+        /// <param name="customDictionary"></param>
+        /// <returns></returns>
         public Response CustomDictionaryUpdate(Dictionary<string, object> customDictionary)
         {
             if (customDictionary.Count < 1)
diff --git a/Retailcrm/Versions/V5/Delivery.cs b/Retailcrm/Versions/V5/Delivery.cs
index d77f6bc..11cf5b0 100644
--- a/Retailcrm/Versions/V5/Delivery.cs
+++ b/Retailcrm/Versions/V5/Delivery.cs
@@ -5,11 +5,21 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Get delivery settings
+        /// </summary>
+        /// <param name="code"></param>
+        /// <returns></returns>
         public new Response DeliverySettingGet(string code)
         {
             throw new ArgumentException("This method is unavailable in API V5", code);
         }
 
+        /// <summary>
+        /// Update delivery settings
+        /// </summary>
+        /// <param name="configuration"></param>
+        /// <returns></returns>
         public new Response DeliverySettingsEdit(Dictionary<string, object> configuration)
         {
             throw new ArgumentException("This method is unavailable in API V5");
diff --git a/Retailcrm/Versions/V5/Integrations.cs b/Retailcrm/Versions/V5/Integrations.cs
index 1c2c1e9..fc42ddd 100644
--- a/Retailcrm/Versions/V5/Integrations.cs
+++ b/Retailcrm/Versions/V5/Integrations.cs
@@ -6,6 +6,11 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Get integration settings
+        /// </summary>
+        /// <param name="code"></param>
+        /// <returns></returns>
         public Response IntegrationsSettingGet(string code)
         {
             if (string.IsNullOrEmpty(code))
@@ -19,6 +24,11 @@
             );
         }
 
+        /// <summary>
+        /// Create/Update integration settings
+        /// </summary>
+        /// <param name="integrationModule"></param>
+        /// <returns></returns>
         public Response IntegrationsSettingsEdit(Dictionary<string, object> integrationModule)
         {
             if (integrationModule.Count < 1)
diff --git a/Retailcrm/Versions/V5/Notes.cs b/Retailcrm/Versions/V5/Notes.cs
index c3d81e5..d0bbfad 100644
--- a/Retailcrm/Versions/V5/Notes.cs
+++ b/Retailcrm/Versions/V5/Notes.cs
@@ -6,6 +6,12 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Create note
+        /// </summary>
+        /// <param name="note"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response NotesCreate(Dictionary<string, object> note, string site = "")
         {
             if (note.Count < 1)
@@ -26,6 +32,11 @@
             );
         }
 
+        /// <summary>
+        /// Delete note
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
         public Response NotesDelete(string id)
         {
             return Request.MakeRequest(
@@ -34,6 +45,13 @@
             );
         }
 
+        /// <summary>
+        /// Get notes list
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response NotesList(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
diff --git a/Retailcrm/Versions/V5/Orders.cs b/Retailcrm/Versions/V5/Orders.cs
index d99f055..be4b9ac 100644
--- a/Retailcrm/Versions/V5/Orders.cs
+++ b/Retailcrm/Versions/V5/Orders.cs
@@ -6,6 +6,13 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Combine orders
+        /// </summary>
+        /// <param name="order"></param>
+        /// <param name="resultOrder"></param>
+        /// <param name="technique"></param>
+        /// <returns></returns>
         public Response OrdersCombine(Dictionary<string, object> order, Dictionary<string, object> resultOrder, string technique = "ours")
         {
             if (order.Count <= 0)
diff --git a/Retailcrm/Versions/V5/Payments.cs b/Retailcrm/Versions/V5/Payments.cs
index 21aae8e..ce15990 100644
--- a/Retailcrm/Versions/V5/Payments.cs
+++ b/Retailcrm/Versions/V5/Payments.cs
@@ -6,6 +6,12 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Create payment
+        /// </summary>
+        /// <param name="payment"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response PaymentsCreate(Dictionary<string, object> payment, string site = "")
         {
             if (payment.Count < 1)
@@ -26,6 +32,13 @@
             );
         }
 
+        /// <summary>
+        /// Update payment
+        /// </summary>
+        /// <param name="payment"></param>
+        /// <param name="by"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response PaymentsUpdate(Dictionary<string, object> payment, string by = "id", string site = "")
         {
             if (payment.Count < 1)
@@ -56,6 +69,11 @@
             );
         }
 
+        /// <summary>
+        /// Delete payment
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
         public Response PaymentsDelete(string id)
         {
             return Request.MakeRequest(
diff --git a/Retailcrm/Versions/V5/References.cs b/Retailcrm/Versions/V5/References.cs
index d271c16..ca999c6 100644
--- a/Retailcrm/Versions/V5/References.cs
+++ b/Retailcrm/Versions/V5/References.cs
@@ -6,6 +6,10 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Costs groups
+        /// </summary>
+        /// <returns></returns>
         public Response CostGroups()
         {
             return Request.MakeRequest(
@@ -14,6 +18,10 @@
             );
         }
 
+        /// <summary>
+        /// Costs
+        /// </summary>
+        /// <returns></returns>
         public Response CostItems()
         {
             return Request.MakeRequest(
@@ -22,6 +30,10 @@
             );
         }
 
+        /// <summary>
+        /// Legal entities
+        /// </summary>
+        /// <returns></returns>
         public Response LegalEntities()
         {
             return Request.MakeRequest(
@@ -30,6 +42,11 @@
             );
         }
 
+        /// <summary>
+        /// Cost group edit
+        /// </summary>
+        /// <param name="group"></param>
+        /// <returns></returns>
         public Response CostGroupsEdit(Dictionary<string, object> group)
         {
             if (!group.ContainsKey("code"))
@@ -57,6 +74,11 @@
             );
         }
 
+        /// <summary>
+        /// Cost items edit
+        /// </summary>
+        /// <param name="item"></param>
+        /// <returns></returns>
         public Response CostItemsEdit(Dictionary<string, object> item)
         {
             if (!item.ContainsKey("code"))
@@ -90,6 +112,11 @@
             );
         }
 
+        /// <summary>
+        /// Legal entities edit
+        /// </summary>
+        /// <param name="entity"></param>
+        /// <returns></returns>
         public Response LegalEntitiesEdit(Dictionary<string, object> entity)
         {
             if (!entity.ContainsKey("code"))
diff --git a/Retailcrm/Versions/V5/Segments.cs b/Retailcrm/Versions/V5/Segments.cs
index 6e8eea8..015e4f2 100644
--- a/Retailcrm/Versions/V5/Segments.cs
+++ b/Retailcrm/Versions/V5/Segments.cs
@@ -1,10 +1,16 @@
 namespace Retailcrm.Versions.V5
 {
-    using System;
     using System.Collections.Generic;
 
     public partial class Client
     {
+        /// <summary>
+        /// Get segments
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response Segments(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
diff --git a/Retailcrm/Versions/V5/Stores.cs b/Retailcrm/Versions/V5/Stores.cs
index e5499c4..663c9a6 100644
--- a/Retailcrm/Versions/V5/Stores.cs
+++ b/Retailcrm/Versions/V5/Stores.cs
@@ -5,16 +5,33 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Get external store settings
+        /// </summary>
+        /// <param name="code"></param>
+        /// <returns></returns>
         public new Response StoreSettingGet(string code)
         {
             throw new ArgumentException("This method is unavailable in API V5", code);
         }
 
+        /// <summary>
+        /// Edit external store settings
+        /// </summary>
+        /// <param name="configuration"></param>
+        /// <returns></returns>
         public new Response StoreSettingsEdit(Dictionary<string, object> configuration)
         {
             throw new ArgumentException("This method is unavailable in API V5");
         }
 
+        /// <summary>
+        /// Get products groups
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response StoreProductsGroups(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
@@ -37,6 +54,13 @@
             return Request.MakeRequest("/store/products-groups", Request.MethodGet, parameters);
         }
 
+        /// <summary>
+        /// Get products properties
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response StoreProductsProperties(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
diff --git a/Retailcrm/Versions/V5/Tasks.cs b/Retailcrm/Versions/V5/Tasks.cs
index a0c1a3d..0d2809f 100644
--- a/Retailcrm/Versions/V5/Tasks.cs
+++ b/Retailcrm/Versions/V5/Tasks.cs
@@ -6,6 +6,12 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Create a task
+        /// </summary>
+        /// <param name="task"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response TasksCreate(Dictionary<string, object> task, string site = "")
         {
             if (task.Count < 1)
@@ -26,6 +32,12 @@
             );
         }
 
+        /// <summary>
+        /// Update a task
+        /// </summary>
+        /// <param name="task"></param>
+        /// <param name="site"></param>
+        /// <returns></returns>
         public Response TasksUpdate(Dictionary<string, object> task, string site = "")
         {
             if (task.Count < 1)
@@ -51,6 +63,11 @@
             );
         }
 
+        /// <summary>
+        /// Get task
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
         public Response TasksGet(string id)
         {
             return Request.MakeRequest(
@@ -59,6 +76,13 @@
             );
         }
 
+        /// <summary>
+        /// Get tasks list
+        /// </summary>
+        /// <param name="filter"></param>
+        /// <param name="page"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
         public Response TasksList(Dictionary<string, object> filter = null, int page = 0, int limit = 0)
         {
             Dictionary<string, object> parameters = new Dictionary<string, object>();
diff --git a/Retailcrm/Versions/V5/Users.cs b/Retailcrm/Versions/V5/Users.cs
index 831bf12..a14c04c 100644
--- a/Retailcrm/Versions/V5/Users.cs
+++ b/Retailcrm/Versions/V5/Users.cs
@@ -5,6 +5,12 @@
 
     public partial class Client
     {
+        /// <summary>
+        /// Update user status
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="status"></param>
+        /// <returns></returns>
         public Response UsersStatus(int id, string status)
         {
             List<string> statuses = new List<string> { "free", "busy", "dinner", "break"};
diff --git a/Retailcrm/packages.config b/Retailcrm/packages.config
new file mode 100644
index 0000000..4672169
--- /dev/null
+++ b/Retailcrm/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="JetBrains.Annotations" version="11.0.0" targetFramework="net45" />
+</packages>
\ No newline at end of file