> For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt.

# bff.crossProject

- **Type:** `boolean`
- **Default:** `false`

:::tip
Please refer to the [Enable BFF](/guides/advanced-features/bff/function.md#enable-bff) section in Basic Usage to enable BFF functionality first.
:::

This configuration is used to enable BFF cross-project invocation functionality. When enabled, the current project can be used as a BFF producer, generating an SDK that can be directly called by other projects.

```ts title="modern.config.ts"
export default defineConfig({
  bff: {
    crossProject: true,
  },
});
```

For detailed configuration and usage of BFF cross-project invocation, please refer to the [BFF Cross-Project Invocation Guide](/guides/advanced-features/bff/cross-project.md).