diff --git a/stable.user.js b/stable.user.js
index 4ff96d0..c3ef39b 100644
--- a/stable.user.js
+++ b/stable.user.js
@@ -21,7 +21,7 @@
 
 // ==UserScript==
 // @name         Moodle/Elearning/KMOOC test help
-// @version      1.6.4.6
+// @version      1.6.4.7
 // @description  Online Moodle/Elearning/KMOOC test help
 // @author       MrFry
 // @match        https://elearning.uni-obuda.hu/main/*
@@ -55,6 +55,7 @@
   var addEventListener // add event listener function
   const lastChangeLog = 'Kérdés parsolás bugfixek, old school fálj beolvasás kiszedése, részletesebb hibajelentés és egyéb fixek'
   const serverAdress = 'https://qmining.frylabs.net/'
+  // const serverAdress = 'http://localhost:8080/'
 
   // forcing pages for testing. unless you test, do not set these to true!
   // only one of these should be true for testing
@@ -1363,6 +1364,7 @@
         sentData.allData = quiz
         sentData.data = newQuestions
         sentData.version = info().script.version
+        sentData.id = GetId()
         SendXHRMessage('datatoadd=' + JSON.stringify(sentData))
         sendSuccess = true
       } catch (e) {
@@ -2099,6 +2101,17 @@
   // : }}}
 
   // : Generic utils {{{
+  function GetId () {
+    let currId = getVal('clientId')
+    if (currId) {
+      return currId
+    } else {
+      currId = new Date()
+      currId = currId.getTime() + Math.floor(Math.random() * 10000000)
+      setVal('clientId', currId.toString())
+      return currId
+    }
+  }
 
   function CreateNodeWithText (to, text, type) {
     var paragraphElement = document.createElement(type || 'p') // new paragraph