Saving attachments from Mail.app through ScriptingBridge (Objective C)
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I'm trying to retrieve attachments from Mail.app through scriptingbridge. I'm using the following code to get access to my inbox messages.

    MailApplication *mailApp = [SBApplication applicationWithBundleIdentifier:@"com.apple.mail"];
    MailMailbox *inbox = [mailApp inbox];
    SBElementArray *messages = [inbox messages];

By iterating over the `SBElementArray`, I can access an individual `MailMessage` object.

Each `MailMessage` object has a getter that retrieves another `SBElementArray`, this time filled with `MailMailAttachment` objects.

It's working, because if I put a `NSLog(@"count:%lu",mailitem.attachments.count);` it will print the correct amount of attachments. File name and size are also correct printed.

But when I iterate over the attachments array and save it, nothing happens.

    NSURL *url = [[NSURL new] initFileURLWithPath:@"/Users/usr/Documents/tmp/"];
    NSLog(@"count:%lu",mailitem.attachments.count);
    for (MailMailAttachment *attachment in mailitem.attachments) {
       NSLog(@"name:%@",attachment.name);
       NSLog(@"size:%ld",attachment.fileSize);
       [attachment saveIn:url as:MailSaveableFileFormatNativeFormat];
    }

I didn't found any documentation about this method. From header file, it says:

    - (void) saveIn:(NSURL *)in_ as:(MailSaveableFileFormat)as;  // Save a document.

I'm assuming that the NSURL is the place in which I want to store the file, but I have no idea about `MailSaveableFileFormat`. I'm passing `MailSaveableFileFormatNativeFormat`, that I found on header file, but as I said, nothing happens. Not even a simple error message.

I also tried to initialize the NSURL with a directory and a complete filepath (path + filename). Same result.

Does anyone has an example? How do I save it?

TIA,

Bob