The setting group which is used to display Toast View. 
It is used as toast setting information in OperateOptions.sortingToast property, etc. And, it is transferred when call GridBase.showToast.
    grdMain.showToast({
        message: 'Load data...',
        styleName: 'toastView',
    });;
	$.ajax({
		url: "/repo/grid/resource/data/orders_m.csv",
		success: function (data) {
		},
		error: function (xhr, status, error) {
		},
		complete: function () {
		    grdMain.hideToast();
		}
	});