customer_online_grid.customer_online_grid_data_source customer_online_grid.customer_online_grid_data_source customer_online_columns Magento_Customer::online Magento\Framework\View\Element\UiComponent\DataProvider\DataProvider customer_online_grid_data_source visitor_id id Magento_Ui/js/grid/provider visitor_id textRange asc ID text First Name text Last Name text Email dateRange date Magento_Ui/js/grid/columns/date Last Activity Magento\Customer\Ui\Component\Listing\Column\Online\Type\Options select Magento_Ui/js/grid/columns/select select Type