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# kSecCodeInfoChangedFiles

A key whose value is a list of all files in the code that may have been modified by the process of signing it.

```
let kSecCodeInfoChangedFiles: CFString
```

## Discussion

The value is a <doc://com.apple.documentation/documentation/CoreFoundation/CFArray> array of <doc://com.apple.documentation/documentation/CoreFoundation/CFURL> objects. Files not in this list have not been touched by the signing operation.

Specify the [`kSecCSContentInformation`](/documentation/Security/kSecCSContentInformation) flag when calling the [`SecCodeCopySigningInformation(_:_:_:)`](/documentation/Security/SecCodeCopySigningInformation(_:_:_:)) function to get this information.

---

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