Dbus Introspection on KDE 4

qdbus  # lists services
qdbus <service>  # lists service's paths
qdbus <service> <path>  # lists interfaces for service at path
qdbus <service> <path> <interface>  # call method (remove "()" at the end)
qdbus <service> <path> <interface> <args> # call method (remove "()" at the end) with args