> **Experimental**
>
> `@aws-cdk/aws-iot-alpha` is an [**experimental**](/stability) (alpha) package: its API may change in any release, without a major version bump.
# Frequency

The frequency at which the scheduled audit takes place.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/scheduled-audit.ts`](https://github.com/aws/aws-cdk/blob/v2.274.0-alpha.0/packages/@aws-cdk/aws-iot-alpha/lib/scheduled-audit.ts#L210)

## Example

```ts
declare const config: iot.AccountAuditConfiguration;

// Daily audit
const dailyAudit = new iot.ScheduledAudit(this, 'DailyAudit', {
  accountAuditConfiguration: config,
  frequency: iot.Frequency.DAILY,
  auditChecks: [
    iot.AuditCheck.AUTHENTICATED_COGNITO_ROLE_OVERLY_PERMISSIVE_CHECK,
  ],
})

// Weekly audit
const weeklyAudit = new iot.ScheduledAudit(this, 'WeeklyAudit', {
  accountAuditConfiguration: config,
  frequency: iot.Frequency.WEEKLY,
  dayOfWeek: iot.DayOfWeek.SUNDAY,
  auditChecks: [
    iot.AuditCheck.CA_CERTIFICATE_EXPIRING_CHECK,
  ],
});

// Monthly audit
const monthlyAudit = new iot.ScheduledAudit(this, 'MonthlyAudit', {
  accountAuditConfiguration: config,
  frequency: iot.Frequency.MONTHLY,
  dayOfMonth: iot.DayOfMonth.of(1),
  auditChecks: [
    iot.AuditCheck.CA_CERTIFICATE_KEY_QUALITY_CHECK,
  ],
});
```

## Members

| Member | Description |
| --- | --- |
| `DAILY` | Daily. |
| `WEEKLY` | Weekly. |
| `BI_WEEKLY` | Bi-weekly. |
| `MONTHLY` | Monthly. |

## Referenced by

- [`ScheduledAuditProps`](/v2/docs/@aws-cdk_aws-iot-alpha.ScheduledAuditProps).frequency