def add_lumMod(self, value):
        """
        Return a newly added <a:lumMod> child element.
        """
        lumMod = self._add_lumMod()
        lumMod.val = value
        return lumMod
def add_lumMod ( self , value ) : lumMod = self . _add_lumMod ( ) lumMod . val = value return lumMod
Return a newly added <a:lumMod> child element.