ADD NEW MENU - GOOGLE SPREADSHEET

function onOpen(){
  var sheet = SpreadsheetApp.getActiveSpreadsheet();
  var menu = [
    {name: "Menu A", functionName: "MenuA"},
    {name: "Menu B", functionName: "MenuB"}
  ];
  sheet.addMenu("Menu © ManMan89", menu);
  sheet.toast('CLICK "MENU © MANMAN89" MENU ABOVE TO GET STARTED', "Hello", -1);
}
function MenuA(){
  Browser.msgBox("Hello", "THIS IS ACTION FOR MENU A", Browser.Buttons.OK);
}
function MenuB(){
  Browser.msgBox("Hello", "THIS IS ACTION FOR MENU B", Browser.Buttons.OK);
}