public function actionUpdateAgenda()
{
$model = new Agenda();
$model->agendaID = $_POST['agendaID'];
$model->lastUpdate = date("Y/m/d");
$data = json_decode($_POST['data']);
$slotbuff = json_decode($_POST['slotbuff']);
$slotnum = json_decode($_POST['slotnum']);
$status = $model->updateAgenda($data, $slotbuff, $slotnum);
$value = array('status' => $model->agendaID);
// 'status' => "yes baby yes"
echo json_encode($value);
}