atspi-event-listener A generic interface implemented by objects for the receipt of event notifications. A generic interface implemented by objects for the receipt of event notifications. atspi-event-listener is the interface via which clients of the atspi-registry receive notification of changes to an application's user interface and content. @event: @user_data: @event: @parent_class: @void: @Returns: @callback: @user_data: @callback_destroyed: @Returns: @callback: @callback_destroyed: @Returns: @listener: @event_type: @error: @Returns: @callback: @user_data: @callback_destroyed: @event_type: @error: @Returns: @callback: @callback_destroyed: @event_type: @error: @Returns: @listener: @event_type: @error: @Returns: @callback: @user_data: @event_type: @error: @Returns: @callback: @event_type: @error: @Returns: