diff --git a/lib/caditem.py b/lib/caditem.py
index 5297428..f4146e6 100644
--- a/lib/caditem.py
+++ b/lib/caditem.py
@@ -1,5 +1,4 @@
 import json
-from  controller import Controller
 import pandas as pd
 import os
 
@@ -96,6 +95,7 @@ class CadItem():
             "cb_oberflaeche_neu",
             "cb_farbe_neu", 
             # buttons
+            "cb_suche_asm",
             "cb_speichern",
             "cb_migrieren",
             "cb_zurücksetzen",
@@ -192,6 +192,13 @@ class CadItem():
             data = self.load_csv(path)
             return data
         return None
+    def sivas_data_from_json(self, cid):
+        path = os.path.join(self.controller.get_env("out"), cid + '.json')
+        if os.path.exists(path):
+            data = self.load(path)
+            return data
+        return None
+    
     def load_csv(self, path):
         """lädt die SIVAS csv Datei in die Felder für die Oberfläche """
         if not os.path.exists(path):
@@ -217,12 +224,6 @@ class CadItem():
         else:
             raise Exception("no gui_data given in string")
 
-        # if "data" in jsonobj:
-            # data = jsonobj["data"]
-            # self.set_data_dict(data)
-        # else:
-            # raise Exception("no data given in string")
-
         if "parent_children_mapping" in jsonobj:
             parent_children_mapping = jsonobj["parent_children_mapping"]
             self.set_parent_children(parent_children_mapping)
@@ -232,27 +233,25 @@ class CadItem():
             red_ids = jsonobj["red_ids"]
             self.set_red_ids(red_ids)
 
-    def to_dict(self):
+    def to_dict(self, tree=False ):
         jsonobj = dict()
 
         # die Oberflächendaten
         gui_data = self.get_all_gui_data()
         jsonobj["gui_data"] = gui_data
 
-        # die Impfdaten
-        # data = self.get_all_data()
-        # jsonobj["data"] = data
-
         # der Baum
-        parent_children_mapping = self.get_parent_children()
-        jsonobj["parent_children_mapping"] = parent_children_mapping
+        if tree:
+            parent_children_mapping = self.get_parent_children()
+            jsonobj["parent_children_mapping"] = parent_children_mapping
 
-        # die ids der nicht migrierten Dateien
-        red_ids = self.get_red_ids()
-        jsonobj["red_ids"] = red_ids
+            # die ids der nicht migrierten Dateien
+            red_ids = self.get_red_ids()
+            jsonobj["red_ids"] = red_ids
         return jsonobj
-    def to_json(self):
-        obj = self.to_dict()
+    
+    def to_json(self, tree=False):
+        obj = self.to_dict(tree)
         return json.dumps(obj)
 
     def load(self, path):
@@ -263,10 +262,10 @@ class CadItem():
         except Exception:
             raise Exception("guid_data, data, parent_children_mapping or red_ids not found")
 
-    def save(self, path):
+    def save(self, path, tree=False):
         """saves all data of model to a json string"""
         with open(path, 'w') as f:
-           json.dump(self.to_dict(), f)
+           json.dump(self.to_dict(tree), f)
 
 class CadItemRepository:
     """