Custom taxonomies are not meta values, but rather their own thing. I don’t think wp_list_pages()
or get_pages()
can query based on a taxonomy, so I’d recommend using WP_Query instead:
<?php
$relevant_pages_args = array(
'post_type' => 'page',
'posts_per_page' => -1,
'post_parent' => 65,
'tax_query' => array(
array(
'taxonomy' => 'relevance',
'field' => 'slug',
'terms' => 'alumni'
)
)
);
$relevant_pages = new WP_Query( $relevant_pages_args );
if( $relevant_pages->have_posts() ) : while( $relevant_pages->have_posts() ) : $relevant_pages->the_post(); ?>
<a href="https://wordpress.stackexchange.com/questions/52967/<?php the_permalink(); ?>"><?php the_title(); ?></a>
<?php endwhile; endif; wp_reset_postdata(); ?>