Syntax:

a_class_name

[Optional]

It specifies the implementation class. The class must implement the

org.zkoss.zk.device.Device

interface. Instead of implementing it from scratch, you can derive from the proper implementation, such as org.zkoss.zk.device.AjaxDevice.

<device-config>
    <device-type>ajax</device-type>
    <device-class>my.MyAjaxDevice</device-class>
</device-config>