Jquery UI sortable update single record -

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i have list this:

<ul id="sortable">         <li class="ui-state-default" id="31">               list item         </li>          <li class="ui-state-default" id="32">                  list item                     </li> </ul>

and in backend (cakephp) have following action:

public function ajaxupdateorder(){     $this->autorender = false;      if(!empty($this->request->data)){         $meetingstable = tableregistry::get('meetings');         $meeting = $meetingstable->newentity();          $meeting->id = $this->request->data['id'];         $meeting->priority = $this->request->data['priority'];          $meetingstable->save($meeting);     } }

i need able catch id li element , current possition able make request fits backend function, cannot figure out docummentation.

any or guidance appreciated.

edit

as requested in comments below:

i want fire ajax request after 1 of items changes positions. request need pass 2 variables each item has changed it's position, namely: id (from <li id="">) , possition (new position in ul)

you can use update callback trigger ajax request:

$("#sortable" ).sortable({    update: function(e,ui){      $.ajax({        url:'/ajaxupdateorder', // url of service        data: {          id: ui.item.attr('id'),          position: ui.item.index()        }      });    }  });

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