src/View/Helper/ListFilterHelper.php
public function openForm()
    {
        $options = Hash::merge(['url' => $this->here], $this->config('formOptions'));
        $ret = $this->Form->create('Filter', $options);

        return $ret;
    }
public function openForm()
    {
        $options = Hash::merge(['url' => $this->here], $this->config('formOptions'));
        $ret = $this->Form->create('Filter', $options);

        return $ret;
    }
Opens the listfilter form

@return string