Conditionally display custom tax in entry footer (Genesis Framework - HTML5)

functions.php

<?php
 
//* Conditionally display custom tax in entry footer (Genesis Framework - HTML5)
 
function afn_display_conditionals() {
	if ( is_singular( 'portfolio' ) || is_post_type_archive( 'portfolio' ) ) {
        add_filter('genesis_post_meta', 'afn_display_custom_tax');
    }
}
 
function afn_display_custom_tax($post_meta) {
	$post_meta = '[post_terms taxonomy="type" before="Type: "]';
	return $post_meta;
}
 
add_action('wp', 'afn_display_conditionals');