diff --git a/core/Client.php b/core/Client.php
index 4e80038..1cd4181 100644
--- a/core/Client.php
+++ b/core/Client.php
@@ -124,6 +124,12 @@ protected function array2xml($arr, &$xml)
 
 final class Client extends iClient
 {
+
+    /**
+     * Store the last response body string 
+     */
+    protected $lastResponseBody = null;
+
     public function __construct($login, $password, $options = [])
     {
         if (empty($login) || empty($password))
@@ -270,6 +276,7 @@ public function raw_file_put($url, $content, $headers = [])
      */
     public function request($method, $url, $options = [], $parse = true)
     {
+        $this->lastResponseBody = null;
         try
         {
             $response = $this->client->request($method, ltrim($url, '/'), $options);
@@ -285,6 +292,14 @@ public function request($method, $url, $options = [], $parse = true)
         }
     }
 
+    /**
+     * Returns the XML string received in the last response.
+     * @return string $lastResponseBody
+     */
+    public function getLastResponseBody() {
+        return $this->lastResponseBody;
+    }
+
     /**
      * Prepare XML string body
      *
@@ -335,6 +350,7 @@ private function parseResponse($response)
         }
 
         $responseBody = (string) $response->getBody();
+        $this->lastResponseBody = $responseBody;
 
         if (!$responseBody)
         {