---
title: "customCommand(requestFlags:customCommandCode:customRequestParameters:resultHandler:)"
framework: corenfc
role: symbol
role_heading: Instance Method
path: "corenfc/nfciso15693tag/customcommand(requestflags:customcommandcode:customrequestparameters:resulthandler:)"
---

# customCommand(requestFlags:customCommandCode:customRequestParameters:resultHandler:)

## Declaration

```swift
@preconcurrency func customCommand(requestFlags flags: NFCISO15693RequestFlag, customCommandCode: Int, customRequestParameters: Data, resultHandler: @escaping @Sendable (Result<Data, any Error>) -> Void)
```

```swift
func customCommand(requestFlags flags: NFCISO15693RequestFlag, customCommandCode: Int, customRequestParameters: Data, resultHandler: @escaping (Result<Data, any Error>) -> Void)
```