diff --git a/product/ERP5Form/ListBox.py b/product/ERP5Form/ListBox.py
index 87ac5973257023e0d68a682dcdce71b77d8ae552..1489a8ee0745ee09703701e3efceb342218d8462 100644
--- a/product/ERP5Form/ListBox.py
+++ b/product/ERP5Form/ListBox.py
@@ -2822,6 +2822,14 @@ class ListBoxLine:
       Returns the property of a column
     """
     return self.column_dict[column_id]
+  
+  
+  security.declarePublic('getColumnPropertyTypeName')
+  def getColumnPropertyTypeName(self, column_id):
+    """
+      Returns the property type of a column
+    """
+    return self.column_dict[column_id].__class__.__name__
 
   security.declarePublic('getColumnPropertyList')
   def getColumnPropertyList(self, column_id_list = None):