World is loaded
Whether a world by that name is loaded on the server, in any case.
A Minecraft element (a check) in Server & admin. Needs the Basic plan or higher to go live; building and testing are free.
Example
When a player uses /mines → If World is loaded mines → Teleport them there.
Also called
world loaded, world exists, has world, dimension loaded
Works as a data pack?
No. This one needs the Elementium plugin on a Paper server.
What you give it
- World