Open Steam Workshop.
Click on a modded map you wish to add.

Click Share.

Copy the ID at the end.
Open the Kinetic Panel.
Go to the Settings page.
-1770486781191-optimized.webp)
Locate Mod ID.

Paste the Mod ID,
Change Level Name to CustomMap
Start the server.
-1767462125511-optimized.webp)
Open Steam Workshop.
Click on a modded map you wish to add.

Click Share.

Copy the ID at the end.
Open the Kinetic Panel.
Go to the Settings page.
-1770486781191-optimized.webp)
Locate Mod ID.

Paste the Mod ID,
Change Level Name to CustomMap
Start the server.
-1767462125511-optimized.webp)