The event occurs before beforeInsert, beforeUpdate, beforeDelete events occur and relates to all operations: Insert, Update and Delete. It can be cancelled in the same way as the aforementioned events.

$conn->event->attach("beforeProcessing",handlerFunc);

Parameters handlerFunc:

• $action - DataAction Object

Availability:

• Available for Grid, TreeGrid, Tree, Scheduler, DataView, Form

Sample: See related beforeUpdate sample.