Convenience to get the first item in the body of message.
See gio.dbus_message.DBusMessage.getArg0 for returning string-typed arg0 values.
The object path item or NULL if the first item in the body of message is not an object path.
Convenience to get the first item in the body of message.
See gio.dbus_message.DBusMessage.getArg0 for returning string-typed arg0 values.