src/View/Helper/Menu.php
public function putPagePartial($page, $partial)
    {
        if (null === $partial || is_string($partial) || is_array($partial)) {
            $this->pagePartials[$page] = $partial;
        }

        return $this;
    }
public function putPagePartial($page, $partial)
    {
        if (null === $partial || is_string($partial) || is_array($partial)) {
            $this->pagePartials[$page] = $partial;
        }

        return $this;
    }
Sets which partial view script to use for rendering menu
@param    string $page
@param    string|array $partial partial view script or null. If an array is
given, it is expected to contain two
values; the partial view script to use,
and the module where the script can be
found.
@return Menu