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

# isStandardSubtotalColumnDefinition()

- Package: [@gooddata/sdk-ui](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-ui/index.md)
- Kind: function
- Stability: alpha
- Source: https://github.com/gooddata/gooddata-ui-sdk/blob/rel/11.64/libs/sdk-ui/src/base/results/tableData/interfaces/columns.ts

> **Alpha API.** Initial API, highly likely to change outside SemVer. Don't build on it in production. See [API maturity](https://www.gooddata.ai/docs/gooddata-ui/latest/integrations/platform/api-maturity/index.md).
> 

Type guard to check if a subtotal column definition is a standard case

**Signature:**

```typescript
export declare function isStandardSubtotalColumnDefinition(columnDefinition: unknown): columnDefinition is ITableSubtotalColumnDefinition & {
    isEmpty: false;
    isTransposed: false;
    totalHeader: IResultTotalHeader;
    measureDescriptor: IMeasureDescriptor;
};
```

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| columnDefinition | unknown |  |

**Returns:**

columnDefinition is [ITableSubtotalColumnDefinition](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-ui/sdk-ui.itablesubtotalcolumndefinition/index.md) & { isEmpty: false; isTransposed: false; totalHeader: [IResultTotalHeader](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.iresulttotalheader/index.md); measureDescriptor: [IMeasureDescriptor](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.imeasuredescriptor/index.md); }