---
title: "polling(systemCode:requestCode:timeSlot:resultHandler:)"
framework: corenfc
role: symbol
role_heading: Instance Method
path: "corenfc/nfcfelicatag/polling(systemcode:requestcode:timeslot:resulthandler:)"
---

# polling(systemCode:requestCode:timeSlot:resultHandler:)

## Declaration

```swift
@preconcurrency func polling(systemCode: Data, requestCode: NFCFeliCaPollingRequestCode, timeSlot: NFCFeliCaPollingTimeSlot, resultHandler: @escaping @Sendable (Result<NFCFeliCaPollingResponse, any Error>) -> Void)
```

```swift
func polling(systemCode: Data, requestCode: NFCFeliCaPollingRequestCode, timeSlot: NFCFeliCaPollingTimeSlot, resultHandler: @escaping (Result<NFCFeliCaPollingResponse, any Error>) -> Void)
```