Cant find battman arkham orgins save file gog

i cant find the save file i check Documents it is not there

Saved games and settings should be found in ${WINEPREFIX}/drive_c/users/${USER}/Documents/WB Games/Batman Arkham Origins.

${USER} is the name of your current user.

I don’t know what the value of ${WINEPREFIX} is when using Lutris.

THX vv222