Retrieve image data from NSTextAttachment

RFTDAttachment.m

    UIPasteboard *pboard = [UIPasteboard generalPasteboard];
    NSData *data = [pboard valueForPasteboardType:@"com.apple.flat-rtfd"];
    NSAttributedString *aString = [[NSAttributedString alloc] initWithData:data
                                                                   options:@{NSDocumentTypeDocumentAttribute: NSRTFDTextDocumentType}
                                                        documentAttributes:nil
                                                                     error:nil];
                                                                     
    NSRange range = NSMakeRange(0, aString.length);
    NSDictionary *attributes = [aString attributesAtIndex:0 effectiveRange:&range];
    NSLog(@"%@", attributes);
    NSTextAttachment *attachment = attributes[NSAttachmentAttributeName];
    NSLog(@"%@", attachment);
    NSLog(@"%@", attachment.image);
    NSLog(@"%@", attachment.contents);
    NSLog(@"%@", attachment.fileType);
    NSLog(@"%@", attachment.fileWrapper);
    NSFileWrapper *fileWrapper = attachment.fileWrapper;
    NSLog(@"%@", fileWrapper.fileAttributes);
    UIImage *image = [UIImage imageWithData:fileWrapper.regularFileContents];