[**BlockSuite API Documentation**](../../../../README.md) *** [BlockSuite API Documentation](../../../../README.md) / [@blocksuite/std](../../README.md) / [index](../README.md) / FlavourExtension # Function: FlavourExtension() > **FlavourExtension**(`flavour`): `ExtensionType` Create a flavour extension. ## Parameters ### flavour `string` The flavour of the block that the extension is for. ## Returns `ExtensionType` ## Example ```ts import { FlavourExtension } from '@blocksuite/std'; const MyFlavourExtension = FlavourExtension('my-flavour'); ```