> Documentation index: https://www.gooddata.ai/docs/gooddata-ui/llms.txt lists every page of these docs as Markdown.

# AlertMetricComparatorType

- Package: [@gooddata/sdk-ui-dashboard](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-ui-dashboard/index.md)
- Kind: enum
- Stability: beta
- Source: https://github.com/gooddata/gooddata-ui-sdk/blob/rel/11.64/libs/sdk-ui-dashboard/src/presentation/automations/alerting/types.ts

> **Beta API.** Mostly stable, but details may change in a minor release, outside SemVer. See [API maturity](https://www.gooddata.ai/docs/gooddata-ui/latest/integrations/platform/api-maturity/index.md).
> 

The period a relative alert condition compares the measure against.

**Signature:**

```typescript
export declare enum AlertMetricComparatorType 
```

## Enumeration Members

| Member | Value | Description |
| --- | --- | --- |
| PreviousPeriod | `0` | **_(BETA)_** Compares against the immediately preceding period at the alert's selected granularity (e.g. previous week, previous month). |
| SamePeriodPreviousYear | `1` | **_(BETA)_** Compares against the same period one year earlier. |