---
title: instanceCount
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlinstanceaccelerationstructuredescriptor/instancecount
---

# instanceCount

The number of instances in the instance descriptor buffer.

## Declaration

```swift
var instanceCount: Int { get set }
```

## See Also

### Specifying the list of instances

- [instanceDescriptorBuffer](metal/mtlinstanceaccelerationstructuredescriptor/instancedescriptorbuffer.md)
- [instanceDescriptorBufferOffset](metal/mtlinstanceaccelerationstructuredescriptor/instancedescriptorbufferoffset.md)
- [instanceDescriptorStride](metal/mtlinstanceaccelerationstructuredescriptor/instancedescriptorstride.md)