code: def get_property_value_for_brok(self, prop, tab):
          
          entry = tab[prop]
          # Get the current value, or the default if need
          value = getattr(self, prop, entry.default)
  
          # Apply brok_transformation if need
          # Look if we must preprocess the value first
          pre_op = entry.brok_transformation
          if pre_op is not None:
              value = pre_op(self, value)
  
          return value
docs: Get the property of an object and brok_transformation if needed and return the value
  
          :param prop: property name
          :type prop: str
          :param tab: object with all properties of an object
          :type tab: object
          :return: value of the property original or brok converted
          :rtype: str