functions.php

<?php
  function klausk_resort() {
    $args = array(
      'public' => true,
      'hierarchical' => false,
      'label' => __('Resort','tema')
    );
    register_post_type( 'resort', $args );
    register_taxonomy_for_object_type('category', 'resort');
  }
  add_action( 'init', 'klausk_resort' );
?>