---
title: detectionGroupID
framework: cinematic
role: symbol
role_heading: Instance Property
path: cinematic/cndetectiontrack-2bxtd/detectiongroupid
---

# detectionGroupID

The detection group ID of the subject detected by the track.

## Declaration

```swift
var detectionGroupID: CNDetectionGroupID { get }
```

## Discussion

Discussion The detection group ID associates related detections such as the face and torso of the same person.