---
url: /reference/@cssdoc/vscode-custom-data/functions/htmlCustomData.md
---
# Function: htmlCustomData()

```ts
function htmlCustomData(index): HtmlCustomData;
```

Defined in: [generators/vscode-custom-data/src/index.ts:52](https://github.com/thedannywahl/cssdoc/blob/main/generators/vscode-custom-data/src/index.ts#L52)

Build the `html.customData` document: component classes and modifiers as `class` values.

## Parameters

### index

[`CssDocIndex`](../../index/classes/CssDocIndex.md)

## Returns

[`HtmlCustomData`](../interfaces/HtmlCustomData.md)