Multiple translations in edit form

hello,
how to retrieve the multiple data translated in the edit form

public function edit($id = null)
{
    $slider = $this->Sliders->get($id);
    //$slider = $this->Sliders->find('translations')->where(['Sliders.id' => $id]); // not work
    $this->set(compact('slider'));
}

edit.php:

foreach($langs as $lang) 
              echo $this->Form->control('_translations.'.$lang.'.name',array('label'=>__('name.'.$lang)));

i found
$slider = $this->Sliders->get($id,['finder' => 'translations']);