Allow additional custom events
Fired when drag starts
Fired when an item is chosen for dragging
Fired when an item is unchosen (drag cancelled)
Fired when an item is moved during drag
Fired when sorting changes
Fired when drag ends
Fired on the list receiving an item from another list
Fired on the list an item is dragged from when moved to another list
Fired when items are selected or deselected
Fired during move operations
Fired when an item is cloned
Fired when the sort order has changed
Fired when an item is dropped outside all sortable containers
Mapping of event names to event payloads
Public