---
title: "setImageData:metadata:completionBlock:"
framework: assetslibrary
role: symbol
role_heading: Instance Method
path: "assetslibrary/alasset/setimagedata:metadata:completionblock:"
---

# setImageData:metadata:completionBlock:

## Declaration

```occ
- (void) setImageData:(NSData *) imageData metadata:(NSDictionary *) metadata completionBlock:(ALAssetsLibraryWriteImageCompletionBlock) completionBlock;
```