[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Type](https://evolu.dev/docs/api-reference/common/Type) › SetExcessPropertyIssue

Defined in: [packages/common/src/Type.ts:8029](https://github.com/evoluhq/evolu/blob/f0109fb501a593010e858e39248dde1200eeb2d7/packages/common/src/Type.ts#L8029)

An own property found on a Set value.

## Properties

<a id="key"></a>

### key

```ts
readonly key: string | symbol;
```

Defined in: [packages/common/src/Type.ts:8031](https://github.com/evoluhq/evolu/blob/f0109fb501a593010e858e39248dde1200eeb2d7/packages/common/src/Type.ts#L8031)

---

<a id="kind"></a>

### kind

```ts
readonly kind: "ExcessProperty";
```

Defined in: [packages/common/src/Type.ts:8030](https://github.com/evoluhq/evolu/blob/f0109fb501a593010e858e39248dde1200eeb2d7/packages/common/src/Type.ts#L8030)