Custom Post Type Listing

Hi,

I am wanted to listing post from custom post type with this plugin. but i am able to query post from db using this plugin. how to do it..

I treied below code for sample but it dose’t work

$data = new WP_Query(array('post_type' => 'post'));
        $this->example_data = $data->get_posts();

https://www.ads-software.com/plugins/custom-list-table-example/