Fetch video URL from Parse

gistfile1.m

PFQuery *query = [PFQuery queryWithClassName:@"Videos"];
[query whereKey:@"videoId" equalTo:[NSNumber numberWithInteger:[[item objectForKey:@"videoID"] integerValue]]];
[query whereKey:@"model" equalTo:model];
[query whereKey:@"zingVersion" lessThanOrEqualTo:[NSNumber numberWithInteger:CURRENT_VERSION]];
    
[query orderByDescending:@"zingVersion"];
        
// Go get the name of the video
[query getFirstObjectInBackgroundWithBlock:^(PFObject *video, NSError *error) {
    if (error) {
        // ...
    } else {
        NSString *videoSource = [video objectForKey:@"videoURL"];
        if ([videoSource length] > 0) {
            NSString *thumbnail = [video objectForKey:@"thumbnailURL"];
            NSString *script = [NSString stringWithFormat:@"createVideo('%@','%@')", thumbnail, videoSource];
            // ...
        }
    }
}];