Name of method to invoke.
A GVariant tuple with parameters for the signal or NULL if not passing parameters. [allow-none]
Flags from the GDBusCallFlags enumeration.
The timeout in milliseconds (with G_MAXINT meaning "infinite") or -1 to use the proxy default timeout.
A GUnixFDList or NULL. [allow-none]
A GCancellable or NULL. [allow-none]
A GAsyncReadyCallback to call when the request is satisfied or NULL if you don't care about the result of the method invocation. [allow-none]
The data to pass to callback.
Like g_dbus_proxy_call() but also takes a GUnixFDList object. This method is only available on UNIX. Since 2.30