'post',
'post__not_in' =>array($id),
'category_name' => $category_slug,
'post_status' => 'publish',
'posts_per_page' => 3,
'ignore_sticky_posts' => 1,
);
$rposts = new WP_Query($rposts_args);
if ($rposts->have_posts()):
while ($rposts->have_posts()):
$rposts->the_post();
get_template_part('template-parts/content', 'relatedPost');
endwhile;
wp_reset_postdata();
endif;
?>