---
title: NSExtensionJavaScriptPreprocessingResultsKey
framework: foundation
role: symbol
role_heading: Global Variable
path: foundation/nsextensionjavascriptpreprocessingresultskey
---

# NSExtensionJavaScriptPreprocessingResultsKey

A key whose value is an item of type kUTTypePropertyList. The item contains an NSDictionary that contains the object returned by the JavaScript code to its completion function.

## Declaration

```swift
let NSExtensionJavaScriptPreprocessingResultsKey: String
```

## See Also

### Constants

- [NSExtensionJavaScriptFinalizeArgumentKey](foundation/nsextensionjavascriptfinalizeargumentkey.md)