diff --git a/Extensions/RestSharpExtensions.cs b/Extensions/RestSharpExtensions.cs
index 5d7eab5..7639888 100644
--- a/Extensions/RestSharpExtensions.cs
+++ b/Extensions/RestSharpExtensions.cs
@@ -1,72 +1,82 @@
+using System.ComponentModel.DataAnnotations;
+using AutoMapper.Mappers;
 using RestSharp;
 using xCommons.Constants;
 using xCommons.Extensions;
 using xModels.Dtos;
 
-namespace xHttpService.Extensions {
-    public static partial class RestSharpExtensions {
+namespace xHttpService.Extensions
+{
+    public static partial class RestSharpExtensions
+    {
         /// <summary>
         /// Attach an instance of XQuery to a RestRequest object
         /// </summary>
         /// <param name="source"></param>
         /// <param name="query"></param>
         /// <returns></returns>
-        public static RestRequest AttachXQuery (
+        public static RestRequest AttachXQuery(
             this RestRequest source,
             XQuery query
-        ) {
+        )
+        {
             //
-            if (query.IsNull ()) {
+            if (query.IsNull())
+            {
                 return source;
             }
 
             //
             // ContainsDetail ...
             //
-            var containsDetailKey = System.Uri.EscapeDataString (nameof (query.ContainsDetail));
-            var containsDetailValue = query.ContainsDetail.AsHttpParamString ();
-            source.AddQueryParameter (containsDetailKey, containsDetailValue);
+            var containsDetailKey = System.Uri.EscapeDataString(nameof(query.ContainsDetail));
+            var containsDetailValue = query.ContainsDetail.AsHttpParamString();
+            source.AddQueryParameter(containsDetailKey, containsDetailValue);
 
             //
             // IsAscending ...
-            var isAscendingKey = System.Uri.EscapeDataString (nameof (query.IsAscending));
-            var isAscendingValue = query.IsAscending.AsHttpParamString ();
-            source.AddQueryParameter (isAscendingKey, isAscendingValue);
+            var isAscendingKey = System.Uri.EscapeDataString(nameof(query.IsAscending));
+            var isAscendingValue = query.IsAscending.AsHttpParamString();
+            source.AddQueryParameter(isAscendingKey, isAscendingValue);
 
             //
             // Filter ...
-            if (!query.Filter.IsNullOrEmpty ()) {
+            if (!query.Filter.IsNullOrEmpty())
+            {
                 //
-                var key = System.Uri.EscapeDataString (nameof (query.Filter));
-                var value = query.Filter.AsHttpParamString ();
-                source.AddQueryParameter (key, value);
+                var key = System.Uri.EscapeDataString(nameof(query.Filter));
+                var value = query.Filter.AsHttpParamString();
+                source.AddQueryParameter(key, value);
             }
 
             //
             // SortBy ...
-            if (!query.SortBy.IsNullOrEmpty ()) {
+            if (!query.SortBy.IsNullOrEmpty())
+            {
                 //
-                var key = System.Uri.EscapeDataString (nameof (query.SortBy));
-                var value = query.SortBy.AsHttpParamString ();
-                source.AddQueryParameter (key, value);
+                var key = System.Uri.EscapeDataString(nameof(query.SortBy));
+                var value = query.SortBy.AsHttpParamString();
+                source.AddQueryParameter(key, value);
             }
 
             //
             // Page ...
-            if (query.Page > 0) {
+            if (query.Page > 0)
+            {
                 //
-                var key = System.Uri.EscapeDataString (nameof (query.Page));
-                var value = query.Page.AsHttpParamString ();
-                source.AddQueryParameter (key, value);
+                var key = System.Uri.EscapeDataString(nameof(query.Page));
+                var value = query.Page.AsHttpParamString();
+                source.AddQueryParameter(key, value);
             }
 
             //
             // PageSize ...
-            if (query.PageSize > 0) {
+            if (query.PageSize > 0)
+            {
                 //
-                var key = System.Uri.EscapeDataString (nameof (query.PageSize));
-                var value = query.PageSize.AsHttpParamString ();
-                source.AddQueryParameter (key, value);
+                var key = System.Uri.EscapeDataString(nameof(query.PageSize));
+                var value = query.PageSize.AsHttpParamString();
+                source.AddQueryParameter(key, value);
             }
 
             //
@@ -79,65 +89,98 @@ namespace xHttpService.Extensions {
         /// <param name="source"></param>
         /// <param name="request"></param>
         /// <returns></returns>
-        public static RestRequest AttachXPageRequest (
+        public static RestRequest AttachXPageRequest(
             this RestRequest source,
             XPageRequest request
-        ) {
+        )
+        {
             //
-            if (request.IsNull ()) {
+            if (request.IsNull())
+            {
                 return source;
             }
 
             //
             // First ...
-            if (request.First.HasValue) {
+            if (request.First.HasValue)
+            {
                 //
-                var key = System.Uri.EscapeDataString (nameof (request.First));
-                var value = request.First.AsHttpParamString ();
-                source.AddQueryParameter (key, value);
+                var key = System.Uri.EscapeDataString(nameof(request.First));
+                var value = request.First.AsHttpParamString();
+                source.AddQueryParameter(key, value);
             }
 
             //
             // Last ...
-            if (request.Last.HasValue) {
+            if (request.Last.HasValue)
+            {
                 //
-                var key = System.Uri.EscapeDataString (nameof (request.Last));
-                var value = request.Last.AsHttpParamString ();
-                source.AddQueryParameter (key, value);
+                var key = System.Uri.EscapeDataString(nameof(request.Last));
+                var value = request.Last.AsHttpParamString();
+                source.AddQueryParameter(key, value);
             }
 
             //
             // After ...
-            if (!request.After.IsNullOrEmpty ()) {
+            if (!request.After.IsNullOrEmpty())
+            {
                 //
-                var key = System.Uri.EscapeDataString (nameof (request.After));
-                var value = request.After.AsHttpParamString ();
-                source.AddQueryParameter (key, value);
+                var key = System.Uri.EscapeDataString(nameof(request.After));
+                var value = request.After.AsHttpParamString();
+                source.AddQueryParameter(key, value);
             }
 
             //
             // Before ...
-            if (!request.Before.IsNullOrEmpty ()) {
+            if (!request.Before.IsNullOrEmpty())
+            {
                 //
-                var key = System.Uri.EscapeDataString (nameof (request.Before));
-                var value = request.Before.AsHttpParamString ();
-                source.AddQueryParameter (key, value);
+                var key = System.Uri.EscapeDataString(nameof(request.Before));
+                var value = request.Before.AsHttpParamString();
+                source.AddQueryParameter(key, value);
             }
 
             //
             // SortBy ...
-            if (!request.SortBy.IsNullOrEmpty ()) {
+            if (!request.SortBy.IsNullOrEmpty())
+            {
                 //
-                var key = System.Uri.EscapeDataString (nameof (request.SortBy));
-                var value = request.SortBy.AsHttpParamString ();
-                source.AddQueryParameter (key, value);
+                var key = System.Uri.EscapeDataString(nameof(request.SortBy));
+                var value = request.SortBy.AsHttpParamString();
+                source.AddQueryParameter(key, value);
             }
 
             //
             // DescendingSort ...
-            var descendingSortKey = System.Uri.EscapeDataString (nameof (request.DescendingSort));
-            var descendingSortValue = request.DescendingSort.AsHttpParamString ();
-            source.AddQueryParameter (descendingSortKey, descendingSortValue);
+            var descendingSortKey = System.Uri.EscapeDataString(nameof(request.DescendingSort));
+            var descendingSortValue = request.DescendingSort.AsHttpParamString();
+            source.AddQueryParameter(descendingSortKey, descendingSortValue);
+
+            //
+            return source;
+        }
+
+        /// <summary>
+        /// Add Dest User to Query Strings ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <param name="destUser"></param>
+        /// <returns></returns>
+        public static RestRequest AttachDestUser(
+            this RestRequest source,
+            string destUser
+        )
+        {
+            //
+            if (destUser.IsNullOrEmpty())
+            {
+                return source;
+            }
+
+            //
+            var destUserKey = System.Uri.EscapeDataString(nameof(destUser));
+            var destUserValue = destUser.AsHttpParamString();
+            source.AddQueryParameter(destUserKey, destUserValue);
 
             //
             return source;
@@ -149,12 +192,13 @@ namespace xHttpService.Extensions {
         /// <param name="source"></param>
         /// <param name="poweredByValue"></param>
         /// <returns></returns>
-        public static RestRequest AddXPoweredBy (
+        public static RestRequest AddXPoweredBy(
             this RestRequest source,
             string poweredByValue
-        ) {
+        )
+        {
             //
-            source.AddHeader (
+            source.AddHeader(
                 XAuthorization.XPoweredBy,
                 poweredByValue
             );
@@ -169,15 +213,16 @@ namespace xHttpService.Extensions {
         /// <param name="source"></param>
         /// <param name="poweredByValue"></param>
         /// <returns></returns>
-        public static RestRequest AddXAccessToken (
+        public static RestRequest AddXAccessToken(
             this RestRequest source,
             string token
-        ) {
+        )
+        {
             //
             token = $"{XAuthentication.BEARER} {token}";
 
             //
-            source.AddHeader (
+            source.AddHeader(
                 XAuthorization.Header,
                 token
             );