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=3822690766
Mods=BarrettM107A1
| Workshop item | Subscribers | Declared in |
|---|---|---|
| Barrett M107A13822690766 | 30 | description footer |