How to display pagination via php in MODX?

Question

MODX

Site on modx, does not use a parser at all.
output resources and pagination: (just an example, no need to write as you know there)

The question itself is how to display pagination in php

$ouput = $modx->runSnippet('pdoPage', array(
    'parents' => 0,
));

The snippet was used, and the plisholder itself how to call it via php?

Answer 1

In a chunk
{$_modx->getPlaceholder('page.nav')}