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# dataFromPropertyList(_:format:errorDescription:)

This method is obsolete and will be deprecated soon.

```
class func dataFromPropertyList(_ plist: Any, format: PropertyListSerialization.PropertyListFormat, errorDescription errorString: UnsafeMutablePointer<NSString?>?) -> Data?
```

## Parameters

`plist`

A property list object.

`format`

A property list format. For possible values, see [`PropertyListSerialization.PropertyListFormat`](/documentation/Foundation/PropertyListSerialization/PropertyListFormat).

`errorString`

Upon return, if the conversion is successful, `errorString` is `nil`. If the conversion fails, upon return contains a string describing the nature of the error.

## Return Value

An `NSData` object containing `plist` in the format specified by `format`.

## Discussion

This method is obsolete and will be deprecated soon. Use [`data(fromPropertyList:format:options:)`](/documentation/Foundation/PropertyListSerialization/data(fromPropertyList:format:options:)) instead.

## See Also

[`+  dataWithPropertyList:format:options:error:`](/documentation/Foundation/PropertyListSerialization/data(fromPropertyList:format:options:))

Returns an `NSData` object containing a given property list in a specified format.


---

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