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

# isDimension()

- Package: [@gooddata/sdk-model](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/index.md)
- Kind: function
- Source: https://github.com/gooddata/gooddata-ui-sdk/blob/rel/11.64/libs/sdk-model/src/execution/base/dimension.ts

Type guard checking whether object is of IDimension type.

**Signature:**

```typescript
export declare function isDimension(obj: unknown): obj is IDimension;
```

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| obj | unknown |  |

**Returns:**

obj is [IDimension](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.idimension/index.md)