code: function (a, success) {
              if (success) {
                that.notify('Post deleted.')
                // update the ui to reflect model changes.
                var deleteThisNode = evt.target.parentNode
                deleteThisNode.parentNode.removeChild(deleteThisNode)
                kb.removeMany(deleteMe)
              } else {
                that.notify('Oops, there was a problem, please try again')
                evt.target.disabled = true
              }
            }
docs: callback after deletion