---
title: allInstances
framework: vision
role: symbol
role_heading: Instance Property
path: vision/instancemaskobservation/allinstances
---

# allInstances

The collection that contains all instances, excluding the background.

## Declaration

```swift
let allInstances: IndexSet
```

## See Also

### Getting instances

- [instanceAtPoint(_:)](vision/instancemaskobservation/instanceatpoint(_:).md)
- [allInstancesMask](vision/instancemaskobservation/allinstancesmask.md)
- [PixelBufferObservation](vision/pixelbufferobservation.md)