Convenience to get the first item in the body of message.
See gio.dbus_message.DBusMessage.getArg0Path for returning object-path-typed arg0 values.
The string item or null if the first item in the body of message is not a string.
Convenience to get the first item in the body of message.
See gio.dbus_message.DBusMessage.getArg0Path for returning object-path-typed arg0 values.