Correct code

Correct code

add_action('genesis_entry_content', 'loop_custom_content');
function loop_custom_content() {
    global $cfs;
    $fields = $cfs->get('parenttest');
    if (!empty($fields)) {
        foreach ($fields as $field) {
            echo $field['childtest1'];
            echo $field['childtest2'];
        }
    } 
}