GDBusMessage* g_dbus_method_invocation_get_message ( GDBusMethodInvocation* invocation )
GDBusMessage for the method invocation. This is useful if
you need to use low-level protocol features, such as UNIX file
descriptor passing, that cannot be properly expressed in the
See this [server][gdbus-server] and [client][gdbus-unix-fd-client] for an example of how to use this low-level API to send and receive UNIX file descriptors.
GDBusMessage. Do not free, it is owned by
|The data is owned by the instance.|