---
title: minimumConfidence
framework: vision
role: symbol
role_heading: Instance Property
path: vision/vndetectrectanglesrequest/minimumconfidence
---

# minimumConfidence

A value specifying the minimum acceptable confidence level.

## Declaration

```swift
var minimumConfidence: VNConfidence { get set }
```

## Discussion

Discussion Vision won’t return rectangles with a confidence score lower than the specified minimum. The confidence score ranges from 0.0 to 1.0, inclusive, where 0.0 represents no confidence, and 1.0 represents full confidence.

## See Also

### Configuring Detection

- [minimumAspectRatio](vision/vndetectrectanglesrequest/minimumaspectratio.md)
- [maximumAspectRatio](vision/vndetectrectanglesrequest/maximumaspectratio.md)
- [VNAspectRatio](vision/vnaspectratio.md)
- [quadratureTolerance](vision/vndetectrectanglesrequest/quadraturetolerance.md)
- [VNDegrees](vision/vndegrees.md)
- [minimumSize](vision/vndetectrectanglesrequest/minimumsize.md)
- [VNConfidence](vision/vnconfidence.md)
- [maximumObservations](vision/vndetectrectanglesrequest/maximumobservations.md)