code: def Property(self, ObjectType, ObjectId, PropName, Set=None):
          
          return self._Property(ObjectType, ObjectId, PropName, Set)
docs: Queries/sets the properties of an object.
  
          :Parameters:
            ObjectType : str
              Object type ('USER', 'CALL', 'CHAT', 'CHATMESSAGE', ...).
            ObjectId : str
              Object Id, depends on the object type.
            PropName : str
              Name of the property to access.
            Set : unicode or None
              Value the property should be set to or None if the value should be queried.
  
          :return: Property value if Set=None, None otherwise.
          :rtype: unicode or None