An object with the following properties:
The Xbasic function that was called in the Ajax Callback.
The name of the event that triggered the Ajax Callback.
A GUID that identifiees the callback, allowing you to match it with the canAjaxCallback event for a specific callback.
Fires when an Ajax callback is attempted and the device is not currently online (i.e. connected to the internet). Differs from the 'onAjaxCallbackFailed' event in that it fires immediately. The 'onAjaxCallbackFailed' event fires after the callback has timed out.