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=3821176353
Mods=DIYBackpackFlamethrower
| Workshop item | Subscribers | Declared in |
|---|---|---|
| DIY Backpack Flamethrower [B42 Multiplayer]3821176353 | 56 | description footer |