/**
* Update collection to only contain last item
* @return array
*/
public function execute()
{
$collection = $this->getCollection();
$this->arguments[] = count($collection) - 1;
return parent::execute();
}
/**
* Update collection to only contain first item
* @return array
*/
public function execute()
{
$this->arguments[] = 0;
return parent::execute();
}
