How to add a mod to you current world

1) Log into your game panel and stop your game server.

2) Use the File Manager or FTP abd go to navigate to /cfg/Saves/your_world_name and edit the file "sandbox_config.sbc"

3) Scroll down until you find the line beginning with:
<Mods>

4) Chose the mod(s) you wish to load on your server and take note of the digits at the end of their url:
example:

http://steamcommunity.com/sharedfiles/filedetails/?id=297110720 <- this number

5) Add the ModItem ID to the "Sandbox_config.sbc" file:

<Mods>
   <ModItem>
     <Name>xxxxx.sbm</Name>
     <PublishedFileId>xxxxx</PublishedFileId>
   </ModItem>
</Mods>

Example:

<Mods>
   <ModItem>
     <Name>297110720.sbm</Name>
     <PublishedFileId>297110720</PublishedFileId>
   </ModItem>
</Mods>

6) You can add as many mods as you wish using the following formatting:

<Mods>
   <ModItem>
     <Name>xxxxx.sbm</Name>
     <PublishedFileId>xxxxx</PublishedFileId>
   </ModItem>
   <ModItem>
     <Name>xxxxx.sbm</Name>
     <PublishedFileId>xxxxx</PublishedFileId>
     </ModItem>
</Mods>

7) Save your changes and restart your game server to load and install the mod(s)