---
title: httpSessionIdentifier
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avurlasset/httpsessionidentifier
---

# httpSessionIdentifier

A session identifier that the asset sends in HTTP requests that it makes.

## Declaration

```swift
var httpSessionIdentifier: UUID { get }
```

## Discussion

Discussion The asset uses this value to set as the X-Playback-Session-Id header of HTTP requests that it creates. note: Copies of an AVURLAsset have the same session identifier as the original asset.