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=3820396330
Mods=STALKERRadiation
| Workshop item | Subscribers | Declared in |
|---|---|---|
| STALKER Radiation [B42 MP]3820396330 | 37 | description footer |