---
title: "init(urlAssetInitializationOptions:)"
framework: avfoundation
role: symbol
role_heading: Initializer
path: "avfoundation/avmutablecomposition/init(urlassetinitializationoptions:)-rh4y"
---

# init(urlAssetInitializationOptions:)

Creates a mutable composition that uses the specified initialization options.

## Declaration

```swift
convenience init(urlAssetInitializationOptions URLAssetInitializationOptions: [String : Any]? = nil)
```

## Parameters

- `URLAssetInitializationOptions`: The initialization options to use to create the composition.