---
title: "init(detectedObject:_:frameAnalysisSpacing:)"
framework: vision
role: symbol
role_heading: Initializer
path: "vision/trackobjectrequest/init(detectedobject:_:frameanalysisspacing:)"
---

# init(detectedObject:_:frameAnalysisSpacing:)

Creates an object tracking request.

## Declaration

```swift
init(detectedObject: any BoundingBoxProviding & VisionObservation, _ revision: TrackObjectRequest.Revision? = nil, frameAnalysisSpacing: CMTime? = nil)
```

## See Also

### Creating a request

- [BoundingBoxProviding](vision/boundingboxproviding.md)