Gets the #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
#GVariant API.
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.
Return: #GDBusMessage. Do not free, it is owned by @invocation.
Gets the #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 #GVariant API.
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.
Return: #GDBusMessage. Do not free, it is owned by @invocation.