CPT

<?php
  // Register Custom Post Types
  function register_custom_posts_cases() {
      // Register Products
      $products_labels = array(
          'name'               => 'Cases',
          'singular_name'      => 'Cases',
          'menu_name'          => 'Cases'
      );
      $products_args = array(
          'labels'             => $products_labels,
          'public'             => true,
          'capability_type'    => 'post',
          'has_archive'        => true,
          'menu_position'      => 2,
          'supports'           => array( 'title', 'editor', 'thumbnail', 'excerpt' ),
          'taxonomies'         => array()
      );
      register_post_type('case', $products_args);
  }
  add_action('init', 'register_custom_posts_cases');

  
  function create_taxonomies_case() {
    register_taxonomy( 'categoria-case', 'case',
      array(
          'labels' => array(
              'name' => 'Categoria case',
              'add_new_item' => 'Novo',
              'new_item_name' => "Novo"
          ),
          'show_ui' => true,
          'show_tagcloud' => false,
          'hierarchical' => true
        )
    );
  }
  add_action( 'init', 'create_taxonomies_case', 0 );