diff --git a/server/urlManipulator/UrlManipulator.php b/server/urlManipulator/UrlManipulator.php
index 3bdaad5..ccb4eef 100644
--- a/server/urlManipulator/UrlManipulator.php
+++ b/server/urlManipulator/UrlManipulator.php
@@ -1,5 +1,4 @@
 <?php
-
 namespace urlManipulator;
 
 class UrlManipulator extends AbstractUrlManipulator
@@ -33,7 +32,10 @@ class UrlManipulator extends AbstractUrlManipulator
 
         $modifiedUrl = $this->addParamToUrl($url, $newParam, $randomValue);
 
-        return ['status' => 200, 'data' => $modifiedUrl];
+        return [
+            'before' => $url,
+            'after' => $modifiedUrl,
+        ];
     }
 
     protected function addParamToUrl(string $url, string $param, string $value): string
@@ -54,18 +56,19 @@ class UrlManipulator extends AbstractUrlManipulator
         return uniqid();
     }
 
-    protected function getNewParam(array $existingParams): string | null
+    protected function getNewParam(array $existingParams)
     {
-      while (!empty($this->paramsArray)) {
-          $newParam = array_pop($this->paramsArray);
+        while (!empty($this->paramsArray)) {
+            $newParam = array_pop($this->paramsArray);
 
-          if (!array_key_exists($newParam, $existingParams)) {
-              return $newParam;
-          }
-      }
+            if (!array_key_exists($newParam, $existingParams)) {
+                return $newParam;
+            }
+        }
 
-      return null; 
+        return null;
     }
 
+
 }