[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:191](https://github.com/evoluhq/evolu/blob/49ea8ca499566aba270f8cb601e7f49aa62320f8/packages/common/src/local-first/Schema.ts#L191)