---
title: "init(size:data:)"
framework: accelerate
role: symbol
role_heading: Initializer
path: "accelerate/bnns_user_message_data_t/init(size:data:)"
---

# init(size:data:)

Creates a logging argument structure from the pointer to the additional logging data.

## Declaration

```swift
init(size: Int, data: UnsafeMutableRawPointer?)
```

## Parameters

- `size`: The size of the additional logging data.
- `data`: A pointer to the additional logging data.