================ on_before_delete ================ on_before_delete(item) **domain**: client **language**: javascript **class** :doc:`Item class ` Description =========== Occurs before an application deletes a record. The ``item`` parameter is an item that triggered the event. Write an on_before_delete event handler to take specific action immediately before an application deletes the active record in an item. on_before_delete is called by :doc:`delete ` method before it deletes the record. See also ======== :doc:`Modifying datasets `