Function Dataedit-Update-Operations
(
dataedit-update-operations < obj > &key (delete-fn
#'dataedit-delete-items-flow) (add-fn
#'dataedit-add-items-flow) )
Should be used to update operations the widget supports.
'delete-fn' - a function to be called when delete action is invoked.
'add-fn' - a function to be called when add action is invoked.