---
url: /reference/@cssdoc/dtcg/functions/toDtcg.md
---
# Function: toDtcg()

```ts
function toDtcg(index): DtcgDocument;
```

Defined in: [generators/dtcg/src/index.ts:40](https://github.com/thedannywahl/cssdoc/blob/main/generators/dtcg/src/index.ts#L40)

Build a DTCG token document from the index's declared custom properties.

## Parameters

### index

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

## Returns

[`DtcgDocument`](../type-aliases/DtcgDocument.md)