code: def set_x10_all_bit_mask(self, x10_all_bit_mask):
          
          set_cmd = self._create_set_property_msg("_x10_all_bit_mask", 0x0a,
                                                  x10_all_bit_mask)
          self._send_method(set_cmd, self._property_set)
docs: Set the x10_all_bit_mask for the current group/button.