---
title: dataSource
framework: tvmljs
role: symbol
role_heading: Instance Property
path: tvmljs/loadindexesrequest/3192160-datasource
---

# dataSource

A reference to the data source object that originated the request.

## Declaration

```data
readonly attribute DataSource dataSource;
```

## See Also

### Accessing Request Properties

- [range](tvmljs/loadindexesrequest/3192161-range.md)