---
url: https://lit-ui-router.dev/api/ui-router-registry/interfaces/Register.md
---
[ui-router-registry](../index.md) / Register

# Interface: Register

Defined in: [registry.ts:34](https://github.com/simshanith/lit-ui-router/blob/ddf02fc88fff5fb67c4114e4f613e773e2b76df2/packages/ui-router-registry/src/registry.ts#L34)

The app's state declarations, filled in by module augmentation:

```ts
declare module 'ui-router-registry' {
  interface Register {
    states: (typeof appStates)[number] | (typeof lazyStates)[number];
  }
}
```