Prevent files from being backed up to iCloud and iTunes in Swift 4

    func addSkipBackupAttributeToItemAtURL(url){

        

        do {

            var resourceValues = URLResourceValues()

            resourceValues.isExcludedFromBackup = true

            try url.setResourceValues(resourceValues)

        } catch {

            print(error.localizedDescription)

        }

    

    }

        addSkipBackupAttributeToItemAtURL(url)

       url: file url pass and call when store on desired directory