---
title: "requestSpecificationVersion(resultHandler:)"
framework: corenfc
role: symbol
role_heading: Instance Method
path: "corenfc/nfcfelicatag/requestspecificationversion(resulthandler:)"
---

# requestSpecificationVersion(resultHandler:)

## Declaration

```swift
@preconcurrency func requestSpecificationVersion(resultHandler: @escaping @Sendable (Result<NFCFeliCaRequestSpecificationVersionResponse, any Error>) -> Void)
```

```swift
func requestSpecificationVersion(resultHandler: @escaping (Result<NFCFeliCaRequestSpecificationVersionResponse, any Error>) -> Void)
```