diff --git a/geos-trame/src/geos/trame/app/deck/tree.py b/geos-trame/src/geos/trame/app/deck/tree.py
index b732ddea..95e6221a 100644
--- a/geos-trame/src/geos/trame/app/deck/tree.py
+++ b/geos-trame/src/geos/trame/app/deck/tree.py
@@ -77,7 +77,7 @@ def update( self, path: str, key: str, value: Any ) -> None:
         new_path = [ int( x ) if x.isdigit() else x for x in path.split( "/" ) ]
         new_path.append( key )
         assert self.input_file is not None and self.input_file.pb_dict is not None
-        funcy.set_in( self.input_file.pb_dict, new_path, value )
+        self.input_file.pb_dict = funcy.set_in( self.input_file.pb_dict, new_path, value )
 
     def _search( self, path: str ) -> list | None:
         new_path = path.split( "/" )
@@ -286,7 +286,7 @@ def _set_base_model_properties( model: dict, proxy_path: str, properties: dict )
 
             if proxy_name.isnumeric() and int( proxy_name ) < len( model_copy ):
                 models.append( ( proxy_name, model_copy ) )
-                model_copy = model_copy[ proxy_name ]
+                model_copy = model_copy[ int( proxy_name ) if is_list else proxy_name ]
                 continue
 
             if proxy_name in model_copy:
diff --git a/geos-trame/src/geos/trame/app/ui/inspector.py b/geos-trame/src/geos/trame/app/ui/inspector.py
index 2fad1245..fc7a70c0 100644
--- a/geos-trame/src/geos/trame/app/ui/inspector.py
+++ b/geos-trame/src/geos/trame/app/ui/inspector.py
@@ -8,6 +8,8 @@
 from trame.widgets import vuetify3 as vuetify, html
 from trame_simput import get_simput_manager
 
+from xsdata.utils import text
+
 from geos.trame.app.data_types.field_status import FieldStatus
 from geos.trame.app.data_types.renderable import Renderable
 from geos.trame.app.data_types.tree_node import TreeNode
@@ -61,9 +63,9 @@ def _on_change( topic: str, ids: list | None = None ) -> None:
             if ids is not None and topic == "changed":
                 for obj_id in ids:
                     proxy = self.simput_manager.proxymanager.get( obj_id )
-                    self.tree.decode( obj_id )
+                    #self.tree.decode( obj_id ) # if const function and return not used why ?? to decode context ??
                     for prop in proxy.edited_property_names:
-                        self.tree.update( obj_id, prop, proxy.get_property( prop ) )
+                        self.tree.update( obj_id, text.camel_case( prop ), proxy.get_property( prop ) )
 
         self.simput_manager.proxymanager.on( _on_change )