Function Dataedit-Update-Operations

Part of:

package weblocks
( 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.