---
title: contourCount
framework: vision
role: symbol
role_heading: Instance Property
path: vision/contoursobservation/contourcount
---

# contourCount

The total number of detected contours.

## Declaration

```swift
var contourCount: Int { get }
```

## Discussion

Discussion Use this value to determine the number of indices available for calling contourAtIndex(_:).

## See Also

### Inspecting an observation

- [normalizedPath](vision/contoursobservation/normalizedpath.md)
- [topLevelContours](vision/contoursobservation/toplevelcontours.md)