Requested by LiMux project
Little test app that works:
```
#include <QCoreApplication>
#include <QDBusConnection>
#include <QDBusMessage>
#include <QTimer>
int main(int argc, char *argv[])
{
QCoreApplication app(argc, argv);
QDBusMessage message = QDBusMessage::createSignal(QStringLiteral("/de/muenchen/limux/Broadcast"),
QStringLiteral("org.kde.plasmashell.broadcastNotification"),
QStringLiteral("Notify"));
message.setArguments({ QVariantMap{
{QStringLiteral("summary"), "Cannot restore network shares"},
{QStringLiteral("body"), "Please contact system administration if you cannot find your stuff."},
{QStringLiteral("appIcon"), QStringLiteral("network-disconnect")}
} });
QDBusConnection::systemBus().send(message);
QTimer::singleShot(500, &app, QCoreApplication::quit);
return app.exec();
}
```
{F651894}