macro-output destination

Windows 10, Audacity 3.0.2
In discussing the new default destination for the macro-output file, the documentation makes the statement that, if preferred, the old method of saving the macro-output file in whatever the originating folder selected by "Tools/Macro/Files (in Audacity 2.3.3) happens to be can be restored by simply adding a line to the macro. Can someone please tell me what that line consists of?

I can’t find that in the official documentation, but I assume that you are referring to this: