# Function: checkCron()

```ts
function checkCron(version): string | null;
```

Defined in: [packages/core/src/schemas/cron.ts:33](https://github.com/leifriksheim/minca/blob/main/core/src/schemas/cron.ts#L33)

Why a cron version can't be read, or null

## Parameters

| Parameter | Type |
| ------ | ------ |
| `version` | `string` |

## Returns

`string` \| `null`