Pathway : Configuration > Import formats
Exemple : Custom value
Select the file you want then click on the tab Fields
At the bottom of the screen, select the “Others” group, then “Custom value”, then type the exact name of the value you wish to retrieve then click on the green button then on the save button top right.
If in doubt about the spelling, you can copy and paste your value by going to any dealer in the Custom value tab which you'll find on the dealer information page.