override func tableView(_ tableView: UITableView, trailingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration?
    {
        let clearAction = UIContextualAction(style: .normal, title: "Clear Data") { (contextAction: UIContextualAction, sourceView: UIView, completionHandler: (Bool) -> Void) in
            print("Clear Action Tapped")
            // Delete the created images
            let fileNameToDeletePri = "(self.bonus?.bonusCode ?? "XXX")_1.jpg"
            let fileNameToDeleteOpt = "(self.bonus?.bonusCode ?? "XXX")_2.jpg"
            var filePathPri = ""
            var filePathOpt = ""
            // Find documents directory on device
            let dirs : [String] = NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.documentDirectory, FileManager.SearchPathDomainMask.allDomainsMask, true)
            if dirs.count > 0 {
                let dir = dirs[0] //documents directory
                filePathPri = dir.appendingFormat("/" + fileNameToDeletePri)
                filePathOpt = dir.appendingFormat("/" + fileNameToDeleteOpt)
                print("Local path = (filePathPri)")
                print("Local path = (filePathOpt)")
            } else {
                print("Could not find local directory to store file")
                return
            }
            do {
                let fileManager = FileManager.default

                // Check if primary file exists
                if fileManager.fileExists(atPath: filePathPri) {
                    // Delete file
                    try fileManager.removeItem(atPath: filePathPri)
                } else {
                    print("Primary image does not exist")
                }
                // Check if optional file exists
                if fileManager.fileExists(atPath: filePathOpt) {
                    // Delete file
                    try fileManager.removeItem(atPath: filePathOpt)
                } else {
                    print("Optional image does not exist")
                }
            }
            catch let error as NSError {
                print("An error took place: (error)")
            }
            completionHandler(true)
        }

        clearAction.backgroundColor = .blue
        let swipeConfig = UISwipeActionsConfiguration(actions: [clearAction])
        return swipeConfig
    }