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=3825411002
Mods=HECUMaskFixB42
| Workshop item | Subscribers | Declared in |
|---|---|---|
| HECU Mask Fix [B42]3825411002 | 11 | description footer |