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=3829582651
Mods=BLSB42_WaterSystem
| Workshop item | Subscribers | Declared in |
|---|---|---|
| BLSB42_WaterSystem3829582651 | 15 | description footer |