This guide will help you on how to download Workshop addons to your server.
- Create a Steam collection containing all of the mods you would like on your server
- Get the ID for the collection. You will find this in the URL of the collection webpage (In the Steam client right Click on collection page and Copy Page URL) e.g. http://steamcommunity.com/sharedfiles/filedetails/?id=264840121, you only need the ID number at the end
- Use the link here to get your personal Steam API key (do not make this public)
- Navigate to Commandline Manager in your game panel and in the custom tab "create new commandline" give it a name and add your default options
- Fill in the relevant fields (authkey and host_workshop_collection) with your API key and workshop ID respectively
- Click the Steam Update button in your control panel and wait for it to complete
- Start your server
