[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [local‑first/Evolu](https://evolu.dev/docs/api-reference/common/local-first/Evolu) › testAppName

```ts
const testAppName: string & Brand<"UrlSafeString"> & Brand<"AppName">;
```

Defined in: [packages/common/src/local-first/Evolu.ts:316](https://github.com/evoluhq/evolu/blob/5f9c0dbc31cd8a6f89f27f8f5938f8559e7b061e/packages/common/src/local-first/Evolu.ts#L316)