Last ...

Providers/XIdentityProvider.cs

@@ -154,14 +154,12 @@ namespace xIdentityService.Providers {
         /// <summary>
         /// Get an Instance of RestRequest 
         /// </summary>
-        /// <param name="endpoint"></param>
-        /// <param name="params"></param>
-        /// <returns></returns>
         public RestRequest GetRestRequet (
             XApiAccountEndpoint endpoint,
-            IDictionary<string, string> @params = null,
             bool addXPoweredValue = true,
-            IDictionary<string, string> headers = null
+            IDictionary<string, string> @params = null,
+            IDictionary<string, string> headers = null,
+            IDictionary<string, string> queryStrings = null
         ) {
             //
             var url = endpoint.GetStringValue ();
@@ -180,6 +178,27 @@ namespace xIdentityService.Providers {
                 }
             }
 
+            //
+            // Add Query Strings ...
+            if (!queryStrings.IsNull () && queryStrings.Count > 0) {
+                //
+                url = $"{url}?";
+                var enumerator = queryStrings.GetEnumerator ();
+                while (enumerator.MoveNext ()) {
+                    //
+                    var item = enumerator.Current;
+
+                    //
+                    url += $"{item.Key}={item.Value.ToUrlEncoded ()}&";
+                }
+
+                //
+                // remove lates & ...
+                if (url.EndsWith ("&")) {
+                    url = url.Substring (0, url.Length - 1);
+                }
+            }
+
             //
             // Create request ...
             var request = new RestRequest (url, DataFormat.Json);