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

```ts
function testCreateCrdtMessage(
  id: string & Brand<"Id">,
  millis: number,
  name: string,
): CrdtMessage;
```

Defined in: [packages/common/src/local-first/Storage.ts:255](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/local-first/Storage.ts#L255)

Test helper for creating a simple [CrdtMessage](https://evolu.dev/docs/api-reference/common/local-first/Storage/interfaces/CrdtMessage).