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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [CSS](./puppeteer.protocol.css.md) &gt; [CSSStyleSheetHeader](./puppeteer.protocol.css.cssstylesheetheader.md) &gt; [sourceMapURL](./puppeteer.protocol.css.cssstylesheetheader.sourcemapurl.md)

## Protocol.CSS.CSSStyleSheetHeader.sourceMapURL property

URL of source map associated with the stylesheet (if any).

<b>Signature:</b>

```typescript
sourceMapURL?: string;
```