How to use the menu.setApplicationMenu function in menu

{ label: 'Basic' },
        { label: 'Pro'},
      ]},
      { label: 'New Command...'},
    ]);
    app.dock.setMenu(dockMenu);
  }

  // Application Menu
  runtime.emit(runtime.events.INIT_APP_MENU, appMenu);

  var template = appMenu.template;
  menu = Menu.buildFromTemplate(template);

  if (process.platform === 'darwin') {
    Menu.setApplicationMenu(menu);
  } else {
    mainWindow.setMenu(menu);
  }
});

]
  });
  // Window menu.
  template[3].submenu.push(
    {
      type: 'separator'
    },
    {
      label: 'Bring All to Front',
      role: 'front'
    }
  );
}

menu = Menu.buildFromTemplate(template);
Menu.setApplicationMenu(menu);

mb.app.on('ready', () => {
  mb.tray.setToolTip(config.title);
  mb.tray.setPressedImage(config.iconAlt);

  Menu.setApplicationMenu(Menu.buildFromTemplate(shortcuts));

  ipcMain.on('mb-app', (event, arg) => {
    if (arg === "quit") {
      console.log('goodbye!');
      mb.app.quit();
    }
  });
});

var template = [{
    label: "Application",
    submenu: [
        { label: "Quit", accelerator: "Command+Q", click: function() { app.quit(); }}
    ]}, {
    label: "Edit",
    submenu: [
        { label: "Undo", accelerator: "CmdOrCtrl+Z", selector: "undo:" },
        { label: "Redo", accelerator: "Shift+CmdOrCtrl+Z", selector: "redo:" },
        { label: "Cut", accelerator: "CmdOrCtrl+X", selector: "cut:" },
        { label: "Copy", accelerator: "CmdOrCtrl+C", selector: "copy:" },
        { label: "Paste", accelerator: "CmdOrCtrl+V", selector: "paste:" },
        { label: "Select All", accelerator: "CmdOrCtrl+A", selector: "selectAll:" }
    ]}
  ];
  menu.setApplicationMenu(menu.buildFromTemplate(template));

  this.tray.setToolTip('Drag and drop files here');
    console.log(app.getOption('dir'));
  this.tray.setImage(app.getOption('dir') + '/img/logo@18x22xbw.png');
  this.tray.on('clicked', function clicked () {
    console.log('tray-clicked')
  });
  this.tray.on('drop-files', function dropFiles (ev, files) {
    loadUrl = app.getOption('pages')['location'];
    app.showWindow();
    //app.window.openDevTools();
    app.window.webContents.on('did-finish-load', function() {
      app.window.webContents.send('files', files);
      app.window.webContents.send('preview', files);
    });
  });

icon: 'gfx/icon.png',
        width: 800,
        height: 600
    });

    init(mainWindow.webContents, options);

    mainWindow.loadURL('file://' + __dirname + '/dt/inspector.html?electron=true');

    mainWindow.on('closed', () => {
        app.quit();
    });

    const menuTemplate = require('./menu')(app, options);

    Menu.setApplicationMenu(Menu.buildFromTemplate(menuTemplate));
});

}, {
                type: 'separator'
            }, {
                label: 'Quit',
                //accelerator: 'Command+Q',
                click: function () {
                    app.__force_quit = true;
                    app.quit();
                }
            }]
        });

    }

    let menu = Menu.buildFromTemplate(template);
    Menu.setApplicationMenu(menu);
}

app.on('ready', function() {

  menu = Menu.buildFromTemplate(template);

  Menu.setApplicationMenu(menu);


  mainWindow = new BrowserWindow({width: 450, height: 550, frame: false, transparent: true});

  mainWindow.loadUrl('file://' + __dirname + '/index.html');

  mainWindow.on('closed', function() {
    mainWindow = null;
  });
});

type: 'separator'
        },
        {
          label: 'Bring All to Front',
          selector: 'arrangeInFront:'
        },
      ]
    },
    {
      label: 'Help',
      submenu: []
    },
  ];

  menu = Menu.buildFromTemplate(template);
  Menu.setApplicationMenu(menu);

  appIcon = new Tray(toggle["true"]);

  appIcon.on("clicked", function() {
    appIcon.setImage(toggle["true"]);
    if(mainWindow.isVisible()){
      mainWindow.hide();
    } else {
      mainWindow.show();
      mainWindow.focus();
    }
  });

  ipc.on("newBackgroundEpisodes", function(event, arg) {
    if(!mainWindow.isFocused()){
      appIcon.setImage(toggle["false"]);

{
          type: 'separator'
        },
        {
          label: 'Bring All to Front',
          selector: 'arrangeInFront:'
        },
      ]
    },
    {
      label: 'Help',
      submenu: []
    }];

    menu = Menu.buildFromTemplate(template);
    Menu.setApplicationMenu(menu);
});

}, 0);

  var template = [{
    label: "Edit",
    submenu: [
      { label: "Undo", accelerator: "CmdOrCtrl+Z", selector: "undo:" },
      { label: "Redo", accelerator: "Shift+CmdOrCtrl+Z", selector: "redo:" },
      { type: "separator" },
      { label: "Cut", accelerator: "CmdOrCtrl+X", selector: "cut:" },
      { label: "Copy", accelerator: "CmdOrCtrl+C", selector: "copy:" },
      { label: "Paste", accelerator: "CmdOrCtrl+V", selector: "paste:" },
      { label: "Select All", accelerator: "CmdOrCtrl+A", selector: "selectAll:" }
    ]}
  ];

  Menu.setApplicationMenu(Menu.buildFromTemplate(template));
}