IOS How to create folder in documents

+ (void) createFolderInDocuments:(NSString*) folderName {
    if([folderName length] > 0) {
        NSString *path;
        NSString* documentsDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];   
        path = [[documentsDirectory stringByAppendingString:@"/"] stringByAppendingString:folderName];
        NSError *error;
        if (![[NSFileManager defaultManager] fileExistsAtPath:path])
            [[NSFileManager defaultManager] createDirectoryAtPath:path withIntermediateDirectories:NO attributes:nil error:&error];
    }
}

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