# Function: keyKind()

```ts
function keyKind(key): "owned" | "shared" | null;
```

Defined in: [packages/core/src/records/key.ts:44](https://github.com/leifriksheim/minca/blob/main/core/src/records/key.ts#L44)

Which kind a key is, or null when it is neither (and so no first version outside `sys.*` may use it)

## Parameters

| Parameter | Type |
| ------ | ------ |
| `key` | `string` |

## Returns

`"owned"` \| `"shared"` \| `null`