 @objc(TetherInfo) class TetherInfo : CDVPlugin {
-  @objc(echo:)
-  func listip(command: CDVInvokedUrlCommand) {
+
+
+  @objc(listip) func listip(command: CDVInvokedUrlCommand) {
     var pluginResult = CDVPluginResult(
       status: CDVCommandStatus_ERROR
     )

    let msg = "hello"

    if msg.characters.count > 0 {
      let toastController: UIAlertController =
        UIAlertController(
          title: "",
          message: msg,
          preferredStyle: .alert
        )

      self.viewController?.present(
        toastController,
        animated: true,
        completion: nil
      )

      DispatchQueue.main.asyncAfter(deadline: .now() + 3) {
        toastController.dismiss(
          animated: true,
          completion: nil
        )
      }

      pluginResult = CDVPluginResult(
        status: CDVCommandStatus_OK,
        messageAs: msg
      )
    }

    self.commandDelegate!.send(
      pluginResult,
      callbackId: command.callbackId
    )
  }
  func checkusb(command: CDVInvokedUrlCommand) {
    var pluginResult = CDVPluginResult(
      status: CDVCommandStatus_ERROR
    )

      messageAs: msg
    )

    commandDelegate.sendPluginResult(
      pluginResult,
      callbackId: command.callbackId
    )
