---
title: fileLength
framework: MediaExtension
role: symbol
role_heading: Instance Property
platforms: [macOS 14.0+]
path: mediaextension/mebytesource/filelength
---

# fileLength

The length of the byte source file.

## Declaration

```swift
var fileLength: Int64 { get }
```

## See Also

### Inspecting a byte source

- [fileName](mediaextension/mebytesource/filename.md)
- [contentType](mediaextension/mebytesource/contenttype.md)
- [relatedFileNamesInSameDirectory](mediaextension/mebytesource/relatedfilenamesinsamedirectory.md)