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# CMSDecoderCopyDetachedContent(_:_:)

Obtains the detached content specified with the `CMSDecoderSetDetachedContent` function.

```
func CMSDecoderCopyDetachedContent(_ cmsDecoder: CMSDecoder, _ detachedContentOut: UnsafeMutablePointer<CFData?>) -> OSStatus
```

## Parameters

`cmsDecoder`

The CMSDecoder reference returned by the `CMSDecoderCreate` function.

`detachedContentOut`

On return, points to the data reference specified by an earlier call to the `CMSDecoderSetDetachedContent` function. Returns a NULL data reference if no detached content has been specified. You must use the `CFRelease` function to free this reference when you are finished using it.

## Return Value

A result code. See [Security Framework Result Codes](/documentation/Security/security-framework-result-codes).

## See Also

[`CMSDecoderCreate(_:)`](/documentation/Security/CMSDecoderCreate(_:))

Creates a CMSDecoder reference.


---

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