fireInternet/res/extjs/docs/guides/direct_grid_pt2/reference-files/php/config.php

<?php
$API = array(
    'QueryDatabase'=>array(
        'methods'=>array(
            'getResults'=>array(
                'len'=>1
            ),
            'createRecord'=>array(
            	'len'=>1
            ),
            'updateRecords'=>array(
            	'len'=>1
            ),
            'destroyRecord'=>array(
            	'len'=>1
            )
        )
    )
);