def users_list( attributes: {} )
      defaults = { max_results: 10, order_by: 'email' }
      filters  = defaults.merge( attributes )
      response = service.list_users( filters )
      {response: response, attributes: filters, command: :users_list}
    end
def users_list( attributes: {} )
      defaults = { max_results: 10, order_by: 'email' }
      filters  = defaults.merge( attributes )
      response = service.list_users( filters )
      {response: response, attributes: filters, command: :users_list}
    end
Usage hints
 https://github.com/google/google-api-ruby-client/issues/360
 get multiple users
 if you don't want the defaults { max_results: 10, order_by: 'email' }
 you must override (a nil disables the option)