Add it to your server
In your server's .ini file (servertest.ini by default), add these to the existing WorkshopItems= and Mods= lines, separated by a semicolon (;).
WorkshopItems=3798986784
Mods=ProjectFranceFrenchCars
| Workshop item | Subscribers | Declared in |
|---|---|---|
| PROJECT FRANCE: French Cars [B42]3798986784 | 37 | description footer |