In GNS430 folder I have navdata and an index file. In X-Plane11 Custom Data I have folders GNS430, navdata, proc, and UFMC.
At the moment I am automatically downloading (among others) into X-Plane 11(11.50+) X-Plane GNS430,FF757/767/777,X-Crafts Embraer E175, Aerobask Skyview, JRollon Planes CRJ200 etc, and x737FMCv3.4(and above)