---
title: init()
framework: vision
role: symbol
role_heading: Initializer
path: vision/vntrackopticalflowrequest/init()
---

# init()

Creates a new request that tracks the optical from one image to another.

## Declaration

```swift
init()
```

## See Also

### Creating an Optical Flow

- [init(completionHandler:)](vision/vntrackopticalflowrequest/init(completionhandler:).md)