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

```ts
function createShardOwner(
  secret: Uint8Array<ArrayBufferLike> &
    Brand<"Entropy"> &
    Brand<"Length32"> &
    Brand<"OwnerSecret">,
): ShardOwner;
```

Defined in: [packages/common/src/local-first/Owner.ts:314](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/local-first/Owner.ts#L314)

Creates a [ShardOwner](https://evolu.dev/docs/api-reference/common/local-first/Owner/interfaces/ShardOwner) from an [OwnerSecret](https://evolu.dev/docs/api-reference/common/local-first/Owner/variables/OwnerSecret).