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=3824053431
Mods=Shotgun30bullet
| Workshop item | Subscribers | Declared in |
|---|---|---|
| Shotgun 30 Shell Capacity - Universal [B42]3824053431 | 26 | description footer |