[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) › MutationKind

```ts
type MutationKind = "insert" | "update" | "upsert";
```

Defined in: [packages/common/src/local-first/Schema.ts:210](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/local-first/Schema.ts#L210)