---
title: "init(size:)"
framework: realitykit
role: symbol
role_heading: Initializer
path: "realitykit/lowlevelargumenttable/descriptor-swift.struct/buffer/init(size:)"
---

# init(size:)

Creates a buffer slot descriptor with the given size.

## Declaration

```swift
init(size: Int)
```

## Parameters

- `size`: The size of the buffer slot, in bytes.

## See Also

### Creating a buffer descriptor

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