Custom Post Type Filter Admin By Custom Taxonomy

functions.php

add_action('restrict_manage_posts', 'dm_filter_post_type_by_taxonomy');
    function dm_filter_post_type_by_taxonomy() {
    	global $typenow;
    	$post_type = 'faq'; // change to your post type
    	$taxonomy  = 'faqs_category'; // change to your taxonomy
    	if ($typenow == $post_type) {
    		$selected      = isset($_GET[$taxonomy]) ? $_GET[$taxonomy] : '';
    		$info_taxonomy = get_taxonomy($taxonomy);
    		wp_dropdown_categories(array(
    			'show_option_all' => __("Show All {$info_taxonomy->label}"),
    			'taxonomy'        => $taxonomy,
    			'name'            => $taxonomy,
    			'orderby'         => 'name',
    			'selected'        => $selected,
    			'show_count'      => true,
    			'hide_empty'      => true,
          'hierarchical' => true,
    		));
    	};
    }

    add_filter('parse_query', 'dm_convert_id_to_term_in_query');
    function dm_convert_id_to_term_in_query($query) {
    	global $pagenow;
    	$post_type = 'faq'; // change to your post type
    	$taxonomy  = 'faqs_category'; // change to your taxonomy
    	$q_vars    = &$query->query_vars;
    	if ( $pagenow == 'edit.php' && isset($q_vars['post_type']) && $q_vars['post_type'] == $post_type && isset($q_vars[$taxonomy]) && is_numeric($q_vars[$taxonomy]) && $q_vars[$taxonomy] != 0 ) {
    		$term = get_term_by('id', $q_vars[$taxonomy], $taxonomy);
    		$q_vars[$taxonomy] = $term->slug;
    	}
    }

Hi! I need help adapting this to work with user taxonomy, think you might help?