---
title: size
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/lowlevelargumenttable/descriptor-swift.struct/buffer/size
---

# size

The size of the buffer slot, in bytes.

## Declaration

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

## See Also

### Creating a buffer descriptor

- [init(size:)](realitykit/lowlevelargumenttable/descriptor-swift.struct/buffer/init(size:).md)