---
title: "VisionResult.detectHorizon(_:_:)"
framework: vision
role: symbol
role_heading: Case
path: "vision/visionresult/detecthorizon(_:_:)"
---

# VisionResult.detectHorizon(_:_:)

A result from performing a detect horizon request.

## Declaration

```swift
case detectHorizon(DetectHorizonRequest, HorizonObservation?)
```

## See Also

### Getting the trajectory, contour, and horizon detection result

- [VisionResult.detectTrajectories(_:_:)](vision/visionresult/detecttrajectories(_:_:).md)
- [VisionResult.detectContours(_:_:)](vision/visionresult/detectcontours(_:_:).md)