# Javascript: DocumentViewerSettings.customQueryParams Property

> Additional query parameters sent to server-side document endpoints. Endpoint-specific values take precedence, and `access_token` is reserved for OAuth handling.

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Property
- **Path:** DS Server > Reference > JavaScript API - Document Viewer > Javascript: DocumentViewerSettings.customQueryParams Property
- **69 words**
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/documentviewersettings/customqueryparams-property/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/documentviewersettings/customqueryparams-property/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/documentviewersettings/customqueryparams-property/llms-full.txt

---

### Description

Additional query parameters sent to server-side document endpoints. Endpoint-specific values take precedence, and `access\_token` is reserved for OAuth handling.

### Syntax

```javascript
<Record.<string, (string|number|boolean)>> DocumentViewerSettings.customQueryParams
```

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## Nearby

- **Previous:** [Javascript: DocumentViewerSettings.basePath Property](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/documentviewersettings/basepath-property/llms-full.txt)
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