---
title: "sendCustomCommand(commandConfiguration:completionHandler:)"
framework: corenfc
role: symbol
role_heading: Instance Method
path: "corenfc/nfciso15693tag/sendcustomcommand(commandconfiguration:completionhandler:)"
---

# sendCustomCommand(commandConfiguration:completionHandler:)

## Declaration

```swift
func sendCustomCommand(commandConfiguration: NFCISO15693CustomCommandConfiguration, completionHandler: @escaping (Data, (any Error)?) -> Void)
```

## Parameters

- `commandConfiguration`: Configuration for the Manufacturer Custom Command.
- `completionHandler`: Completion handler called when the operation is completed. error is nil if operation succeeds. A @link NFCISO15693TagResponseErrorKey @link/ in NSError userInfo dictionary is returned when the tag responded to the command with an error, and the error code value is defined in ISO15693-3 specification.

## Discussion

Discussion Send a manufacturer dependent custom command using command code range from 0xA0 to 0xDF.  Refer to ISO15693-3 specification for details.