How can I customize the message of Ext.toast to display as in this picture?
Thanks
UniSession.AddJS(
'Ext.toast({'+
' message: "Hai cancellato il tuo sappuntamento.<span onclick=\"alert(''Undo'')\" style=\"color: #81A8E7; font-weight: bold\"> Undo </span>'+
' <i onclick=\"Ext.toast().hide(); alert(''Close'')\" style=\"padding-top: 0\" class=\"fa fa-times\" aria-hidden=\"true\"></i>",'+
' timeout: 50000'+
'})'
);