---
title: init()
framework: coremedia
role: symbol
role_heading: Initializer
path: coremedia/cmformatdescription/extensions-swift.struct/init()
---

# init()

Creates an empty Extensions structure.

## Declaration

```swift
init()
```

## See Also

### Creating Extensions

- [init(base:)](coremedia/cmformatdescription/extensions-swift.struct/init(base:).md)