---
title: kMEFormatReaderFileNameExtensionArrayKey
framework: MediaExtension
role: symbol
role_heading: Global Variable
platforms: [Mac Catalyst 18.0+, macOS 15.0+]
path: mediaextension/kmeformatreaderfilenameextensionarraykey
---

# kMEFormatReaderFileNameExtensionArrayKey

A key to the array of file extensions that the format reader plug-in supports.

## Declaration

```swift
var kMEFormatReaderFileNameExtensionArrayKey: String { get }
```

## See Also

### Property list keys

- [kMEFormatReaderClassImplementationIDKey](mediaextension/kmeformatreaderclassimplementationidkey.md)
- [kMEFormatReaderExtensionPointName](mediaextension/kmeformatreaderextensionpointname.md)
- [kMEFormatReaderUTTypeArrayKey](mediaextension/kmeformatreaderuttypearraykey.md)
- [kMEFormatReaderObjectNameKey](mediaextension/kmeformatreaderobjectnamekey.md)