---
title: "CGImageMetadataCreateFromXMPData(_:)"
framework: imageio
role: symbol
role_heading: Function
path: "imageio/cgimagemetadatacreatefromxmpdata(_:)"
---

# CGImageMetadataCreateFromXMPData(_:)

Creates a collection of metadata tags from the specified XMP data.

## Declaration

```swift
func CGImageMetadataCreateFromXMPData(_ data: CFData) -> CGImageMetadata?
```

## Parameters

- `data`: An object containin XMP data. The contents of this object must represent a complete XMP tree. The XMP data may include packet headers.

## Return Value

Return Value A CGImageMetadata object that contains the parsed metadata information, or NULL if an error occurs. You are responsible for releasing the returned object.

## Discussion

Discussion Use this function to parse the raw XMP data from an image and build a parseable set of metadata tags. Use the returned object to enumerate the tags or search for individual tags within the collection.