...
$flags = ['header']; //show table header
$header = [
    'yourcolumn' => 'Your Column'
];
$pages = [
    ['id' => 'firstpage', 'yourcolumn' => 'Text 1'],
    ['id' => 'secondpage', 'yourcolumn' => 'Text 2'],
];
if($pagelist = $this->loadHelper('pagelist')) {
    $pagelist->addColumn('example', 'yourcolumn');
    $pagelist->setHeader($header); //available since 2022-10-17
    $pagelist->setFlags($flags);
    $pagelist->startList('plugin_example_class');
    foreach($pages as $page) {
        $pagelist->addPage($page);
    }
    $renderer->doc .= $pagelist->finishList();
}
...