---
title: "init(_:)"
framework: vision
role: symbol
role_heading: Initializer
path: "vision/detectbarcodesrequest/init(_:)"
---

# init(_:)

Creates a barcode-detection request.

## Declaration

```swift
init(_ revision: DetectBarcodesRequest.Revision? = nil)
```

## Parameters

- `revision`: The specific algorithm or implementation revision that the system uses to perform the request.