Adding admins to your 24 Play hosted ARK server is quite simple. The system acts as a whitelist that works off of Steam64 IDs. You can obtain the ID for a player using this tool here.
Step 1: Log into our game control panel.
Step 2: Access the Configuration Files module.
Step 3: Open the AllowedCheaterSteamIDs.txt file in the Text Editor.
Step 3: Open the AllowedCheaterSteamIDs.txt file in the Text Editor.
Step 4: Enter each Steam ID (remember, Steam64 ID) on their own line. For instance, if you had 3 admins, you'd add them like this:
ID1GoesHere
ID2GoesHere
ID3GoesHere
Step 5: Save the file and restart your server for the changes to take effect.
Step 5: Save the file and restart your server for the changes to take effect.