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# CGImageMetadataCreateMutable()

Creates an empty, mutable image metdata opaque type.

```
func CGImageMetadataCreateMutable() -> CGMutableImageMetadata
```

## Return Value

A [`CGMutableImageMetadata`](/documentation/ImageIO/CGMutableImageMetadata) object that contains no metadata information, or `NULL` if an error occurs. You are responsible for releasing the returned object.

---

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