code: function createGroup() {
  
    var aGroup = {
      name: unique('Administrators')
    };
  
    return application.createGroup(aGroup, function(err, createdGroup) {
      if (err) throw err;
      group = createdGroup;
  
      return addAccountToGroup(); //next quickstart step
    });
  }
docs: ================================================== Step 6 - Create a group ==================================================