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=3828385377
Mods=DLSiegeNight
| Workshop item | Subscribers | Declared in |
|---|---|---|
| Days Later: Siege Night! [B42+MP]3828385377 | 6 | description footer |