Draggable to Sortable: ui.draggable

Draggable to Sortable: ui.draggable

I have a list of draggable items that can be dropped on several sortable lists. When a new item is added to one of the sortable lists, I need to inform the database and format the item. I'm adding the code to the update event of the sortable, but I need to detect that it isn't just a regular sorting but a new element added, and I also need to access information in the dropped element's attributes. How could I do this?

I see that droppables have a drop event with ui.draggable to reference the dropped item, is there something similar with sortable?

Thank you!