import NFCDecoder
    
    func readerSession(_ session: NFCNDEFReaderSession, didDetectNDEFs messages: [NFCNDEFMessage]) {
        let payloads = NFCDecoder().decode(messages)
        payloads.forEach { logToConsole(payload: $0) }
        stopNfcSession()
    }
    
    func logToConsole(payload: NdefPayload) {
        switch payload {
        case .text(let text):
            print(text.text, text.languageCode)
        case .uri(let uri):
            print(uri.url.absoluteString)
        case .smartPoster(let morePayloads): // Smart poster is just a container for more payloads
            morePayloads.forEach { logToConsole(payload: $0) }
        case .empty:
            print("empty payload")
        case .unknown(_):
            print("oops")
        }
    }