---
title: "readSingleBlock(requestFlags:blockNumber:resultHandler:)"
framework: corenfc
role: symbol
role_heading: Instance Method
path: "corenfc/nfciso15693tag/readsingleblock(requestflags:blocknumber:resulthandler:)"
---

# readSingleBlock(requestFlags:blockNumber:resultHandler:)

## Declaration

```swift
@preconcurrency func readSingleBlock(requestFlags flags: NFCISO15693RequestFlag, blockNumber: UInt8, resultHandler: @escaping @Sendable (Result<Data, any Error>) -> Void)
```

```swift
func readSingleBlock(requestFlags flags: NFCISO15693RequestFlag, blockNumber: UInt8, resultHandler: @escaping (Result<Data, any Error>) -> Void)
```