Finishes handling a D-Bus method call by returning an error.
This method will take ownership of invocation. See #GDBusInterfaceVTable for more information about the ownership of invocation.
A valid D-Bus error name.
A valid D-Bus error message.
Finishes handling a D-Bus method call by returning an error.
This method will take ownership of invocation. See #GDBusInterfaceVTable for more information about the ownership of invocation.