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

# VisionResult.detectTrajectories(_:_:)

A result from performing a detect trajectories request.

## Declaration

```swift
case detectTrajectories(DetectTrajectoriesRequest, [TrajectoryObservation])
```

## See Also

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

- [VisionResult.detectContours(_:_:)](vision/visionresult/detectcontours(_:_:).md)
- [VisionResult.detectHorizon(_:_:)](vision/visionresult/detecthorizon(_:_:).md)