When Adding a schedule item,a popup is opening but when opening popup i want to restrict popup based on css class name of clicked scheduled item 
how to get css class name of clicked scheduled item 
Sourcecode:
   @(Html.Kendo().Scheduler<FMCO.DataTransferObjects.Configuration.AppointmentModel>()
        .Name("scheduler")
        .Date(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day))
        .StartTime(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 08, 00, 00))
        .EndTime(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 17, 00, 00))
        .Editable(editable => editable.TemplateName("CustomEditorTemplate"))
        .EventTemplate("")
        .Events(e => e.Add("onAdd"))
              )
<script>
function onAdd(e) {
     // i want here css class name of click item 
    }
</script>

Please help me
Thanks in advance