- Create a Steam Workshop collection with the maps/content you want - Follow this guide if you are unsure how: https://pingperfect.com/index.php/knowledgebase/666/Creating-a-Steam-Workshop-Collection.html
- After this you'll want to go to this link http://steamcommunity.com/dev/apikey and follow the instructions to get yourself an auth key. Take note of this Auth Key as you will need it later.
- Create a custom command line in the game panel with the following fields filled out
-Authkey, +gamemode, +map, +host_workshop_collection, +map, +exec
Authkey should be set to your API key you generated in step 1, gamemode/gametype/map/mapgroup/workshop start map are down to what you want, host workshop collection is the collection ID you created in step 1
- Save the command line and select it, and your server is now running with workshop content.
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