# OnClientAppointmentContextMenuItemClicked

The **OnClientAppointmentContextMenuItemClicked** client-side event is called when an appointment context menu item is clicked, after RadScheduler has processed the event

Two parameters are passed to the event handler:

* **sender** is the scheduler client object.

* **eventArgs** has the following methods:

  * **get_appointment()** - the instance of the appointment.

  * **get_item()** - the clicked menu item.

This event cannot be cancelled.