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# init(time:detectionGroupID:strong:)

Makes a decision to focus on the detection with the given unique detection.

```
init(time: CMTime, detectionGroupID: CNDetectionGroupID, strong isStrong: Bool)
```

## Parameters

`time`

The first presentation time which the subject should be in focus.

`detectionGroupID`

The unique detection representing the detection to focus on if this isn’t a group decision.

`isStrong`

A flag representing whether this is a strong decision or not. A strong decision keeps focus for as long as possible.

## Discussion

A strong decision keeps focus for as long as possible on the detected subject.

---

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