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# URLSession.DataTaskPublisher

A publisher that delivers the results of performing URL session data tasks.

```
struct DataTaskPublisher
```

## Topics

### Declaring publisher topography

[`URLSession.DataTaskPublisher.Output`](/documentation/Foundation/URLSession/DataTaskPublisher/Output)

The kind of values published by this publisher.

[`URLSession.DataTaskPublisher.Failure`](/documentation/Foundation/URLSession/DataTaskPublisher/Failure)

The kind of errors this publisher might publish.

### Creating a data task publisher

[`init(request:session:)`](/documentation/Foundation/URLSession/DataTaskPublisher/init(request:session:))

Creates a data task publisher from the provided URL request and URL session.

### Inspecting data task properties

[`request`](/documentation/Foundation/URLSession/DataTaskPublisher/request)

The URL request performed by the data task associated with this publisher.

[`session`](/documentation/Foundation/URLSession/DataTaskPublisher/session)

The URL session that performs the data task associated with this publisher.


---

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