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

```ts
type TestProjectId = string &
  import("../Brand.ts").Brand<"Id"> &
  import("../Brand.ts").Brand<"Project">;
```

Defined in: [packages/common/src/local-first/Schema.ts:186](https://github.com/evoluhq/evolu/blob/215bf32284e302f2fc68bdcc9df57cc7df5a6fc3/packages/common/src/local-first/Schema.ts#L186)

Project ID Type for [testEvoluSchema](https://evolu.dev/docs/api-reference/common/local-first/Schema/variables/testEvoluSchema).