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=3740052292;3826145418
Mods=CompanionDogs;CompanionDogsRideAlong
These lines include the mod it requires, as its Steam page declares it:
- Companion Dogs [ALPHA] ·
CompanionDogs
| Workshop item | Subscribers | Declared in |
|---|---|---|
| Companion Dogs: Ride Along3826145418 | 37 | description footer |