[Home](./index.md) > [server](./server.md) > [World](./server.world.md) > [loadMap](./server.world.loadmap.md) ## World.loadMap() method Loads a map into the world, replacing any prior map contents. Use for: initializing or fully resetting a world from serialized map data. Do NOT use for: incremental edits while players are actively interacting with the world. **Signature:** ```typescript loadMap(map: WorldMap): void; ``` ## Parameters

Parameter	Type	Description
map	[WorldMap](./server.worldmap.md)	The map to load. \*\*Side effects:\*\* Clears the chunk lattice, registers block types, and spawns entities. \*\*Category:\*\* Core

**Returns:** void ## Remarks - Clears existing blocks and colliders via `ChunkLattice.clear`. - Registers block types from the map into `World.blockTypeRegistry`. - Spawns map entities as `isEnvironmental: true` by default.