[Home](./index.md) > [server](./server.md) > [BlockTypeRegistry](./server.blocktyperegistry.md) ## BlockTypeRegistry class Manages known block types in a world. **Signature:** ```typescript export default class BlockTypeRegistry extends EventRouter implements protocol.Serializable ``` **Extends:** [EventRouter](./server.eventrouter.md) **Implements:** protocol.Serializable ## Remarks Block type registries are created internally as a singleton for each [World](./server.world.md) instance in a game server. A block type registry allows you to register and retrieve block types by their unique id for a world.

Events

This class is an EventRouter, and instances of it emit events with payloads listed under [BlockTypeRegistryEventPayloads](./server.blocktyperegistryeventpayloads.md) The constructor for this class is marked as internal. Third-party code should not call the constructor directly or create subclasses that extend the `BlockTypeRegistry` class. ## Example ```typescript world.blockTypeRegistry.registerGenericBlockType({ id: 15, textureUri: 'textures/dirt.png', name: 'Dirt', }); ``` ## Properties
Property Modifiers Type Description
[world](./server.blocktyperegistry.world.md) `readonly` [World](./server.world.md) The world the block type registry is for.
## Methods
Method Modifiers Description
[getAllBlockTypes()](./server.blocktyperegistry.getallblocktypes.md) Get all registered block types.
[getBlockType(id)](./server.blocktyperegistry.getblocktype.md) Get a registered block type by its id.
[registerBlockType(blockType)](./server.blocktyperegistry.registerblocktype.md) Register a block type.
[registerGenericBlockType(blockTypeOptions)](./server.blocktyperegistry.registergenericblocktype.md) Register a generic block type.