+ my $uid = $self->store->state_to_uid( $state );
+
+ my $to_uid = join(" ", grep { defined($_) } "to $uid",
+ # board
+ $state->{Parameter}->{'InternetGatewayDevice.DeviceInfo.HardwareVersion'},
+ # version
+ $state->{Parameter}->{'InternetGatewayDevice.DeviceInfo.SoftwareVersion'},
+ # summary
+# $state->{Parameter}->{'InternetGatewayDevice.DeviceSummary'},
+ ) . "\n";