---
title: device_detection
summary: Device detection based on the User-Agent header.
url: https://www.fastly.com/documentation/reference/compute/sdks/rust/fastly/device_detection/
---

**Kind:** Module  
**Package:** fastly 0.13.1  
**Path:** `fastly::device_detection`

Device detection based on the User-Agent header.

## Structs

| Name | Summary |
| --- | --- |
| [Device](https://www.fastly.com/documentation/reference/compute/sdks/rust/fastly/device_detection/struct.Device/) | The device data associated with a particular User-Agent string. |

## Functions

| Name | Summary |
| --- | --- |
| [lookup](https://www.fastly.com/documentation/reference/compute/sdks/rust/fastly/device_detection/fn.lookup/) | Look up the data associated with a particular User-Agent string. |