---
title: indexCapacity
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/lowlevelmesh/indexcapacity
---

# indexCapacity

The capacity of the index buffer, measured in indices.

## Declaration

```swift
@MainActor var indexCapacity: Int { get }
```

## Discussion

Discussion This value is equivalent to indexCapacity.

## See Also

### Describing a low-level mesh

- [descriptor](realitykit/lowlevelmesh/descriptor-swift.property.md)
- [parts](realitykit/lowlevelmesh/parts.md)
- [vertexCapacity](realitykit/lowlevelmesh/vertexcapacity.md)