units units.artdef

I'm trying to get a Unique Unit to look and act like a knight unit. I can see from the Logs/ArtDef.log file that my art file is being added because of this line. Added art file 'Civ6-Italy: d8i08824-7j56-3IG8-F2JI-f3j0j6B22Fgd' to the ArtDefProvider. If I've changed the Units.artdef file and...