diff --git a/lib/create_tos.py b/lib/create_tos.py
index 4d3cf2c..93b445a 100644
--- a/lib/create_tos.py
+++ b/lib/create_tos.py
@@ -13,8 +13,34 @@ Codebereich liegt bei Calk Link 10
 - Dort dann die Powershell "Tomcat-IIS_reset" ausführen.	
 
 """
+def get_children_keys(tos_hierarchy, currentId, result):
+    if currentId not in tos_hierarchy:
+        return None
+    childIds = tos_hierarchy[currentId]["reference-ids"].values()
+    level = tos_hierarchy[currentId]["TOS-level"]
+    if len(childIds) > 0:
+        for cId in childIds:
+            result[cId] = level
+        for cId in childIds:
+            get_children_keys(tos_hierarchy, cId, result)
 
 
+def get_all_keywords(tos_hierarchy):
+    # hole dir das erste Keyword
+    rootid = tos_hierarchy["root"]
+    # und von dort aus alle Referenzen
+    result = dict()
+    get_children_keys(tos_hierarchy, rootid, result)
+    return result
+
+def get_keywords_of_level(allKeywords, levelnum):
+    ret = list()
+    for kw in allKeywords:
+        if allKeywords[kw] == levelnum:
+            ret.append(kw)
+    return ret
+    
+
 def create_tos_string(config_path):
 
     res = 'CalcMaster=EdmCodVal("'
@@ -22,11 +48,14 @@ def create_tos_string(config_path):
         tos_hierarchy = ""
         with open(config_path, 'r', encoding='utf-8') as fh:
             tos_hierarchy = json.loads(fh.read())
-        print(tos_hierarchy)
-        r = tos_hierarchy["root"]
+        allKeywords = get_all_keywords(tos_hierarchy)
 
-        myTuple = ("John", "Peter", "Vicky")
-        res += '")&EdmCodVal("'.join(myTuple)
+        myIds = list()
+        for level in range(1,5):
+            myIds.extend(get_keywords_of_level(allKeywords, level))
+        print(myIds)
+
+        res += '")&EdmCodVal("'.join(myIds)
         res += '")'
         return res
     else: