> For the complete documentation index, see [llms.txt](https://chasethestar.gitbook.io/ko.learn-rxjs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://chasethestar.gitbook.io/ko.learn-rxjs/rxjs/operators/utility/dematerialize.md).

# dematerialize

#### signature: `dematerialize(): Observable`

## Turn notification objects into notification values.

[![UltimateRxJS](https://drive.google.com/uc?export=view\&id=1qq2-q-eVe-F_-d0eSvTyqaGRjpfLDdJz)](https://ultimatecourses.com/courses/rxjs?ref=4)

### Examples

**Example 1: Converting notifications to values**

( [StackBlitz](https://stackblitz.com/edit/typescript-bxdwbg?file=index.ts\&devtoolsheight=100) | [jsBin](http://jsbin.com/vafedocibi/1/edit?js,console) | [jsFiddle](https://jsfiddle.net/btroncone/jw08mouy/) )

```javascript
// RxJS v6+
import { from, Notification } from 'rxjs';
import { dematerialize } from 'rxjs/operators';

//emit next and error notifications
const source = from([
  Notification.createNext('SUCCESS!'),
  Notification.createError('ERROR!')
]).pipe(
  //turn notification objects into notification values
  dematerialize()
);

//output: 'NEXT VALUE: SUCCESS' 'ERROR VALUE: 'ERROR!'
const subscription = source.subscribe({
  next: val => console.log(`NEXT VALUE: ${val}`),
  error: val => console.log(`ERROR VALUE: ${val}`)
});
```

### Additional Resources

* [dematerialize](https://rxjs.dev/api/operators/dematerialize) 📰 - Official docs

> 📁 Source Code: [https://github.com/ReactiveX/rxjs/blob/master/src/internal/operators/demterialize.ts](https://github.com/ReactiveX/rxjs/blob/master/src/internal/operators/dematerialize.ts)