/**
* Attaches URLs to an existing Dolphin instance if possible.
- * Returns true if URLs were successfully attached
+ * If @p preferredService is a valid dbus service, it will be tried first.
+ * @p preferredService needs to support the org.kde.dolphin.MainWindow dbus interface with the /dolphin/Dolphin_1 path.
+ * Returns true if the URLs were successfully attached.
*/
bool attachToExistingInstance(const QList<QUrl>& inputUrls, bool openFiles, bool splitView, const QString& preferredService = QString());