[Home](./index.md) > [server](./server.md) > [PlayerManager](./server.playermanager.md) > [worldSelectionHandler](./server.playermanager.worldselectionhandler.md) ## PlayerManager.worldSelectionHandler property Optional handler for selecting the world a newly connected player joins. Use for: lobby routing or game mode selection. Do NOT use for: moving players after they have already joined a world; use `Player.joinWorld`. **Signature:** ```typescript worldSelectionHandler?: (player: Player) => Promise; ``` ## Remarks Return `undefined` to place the player in the default world. \*\*Category:\*\* Players