<?php
class App_Faq_Form_Config extends Qs_Form_Config
{
    protected function _initElements()
    {
        parent::_initElements();
        $this->addElement(
            'text',
            'ipp',
            array(
                'label'       => 'Paginator: Items Per Page',
                'description' => 'Use empty value or "0" to show all items on one page'
            )
        );
        return $this;
    }

}