Event handlers

The predefined view event handlers include load, unload, view, change, collaboration, and validate.

You can customize an event handler in the Behavior page of a view.

The load event handler
The load function performs initialization logic before the view loads.
The unload event handler
The unload function performs cleanup after the view has completed. The unload function is only called once during the lifecycle of the view.
The view event handler
This view function performs logic such as populating the view with data before the user can see the view.
The change event handler
The change function is called when there is a change in binding or configuration data.
The validate event handler
The validate function handles validation errors that are caused by the data in the view.

Parent topic: Coach and event handler reference information