Adds the ability to configure permalinks for custom post types using rewrite tags like %post_id% and %author%.
When registering a post type you can add a value to the rewrite property with the key 'permastruct' to define your default permalink structure.
eg:
<?php
register_post_type( 'my_type', array(
...
'rewrite' => array( 'permastruct' => '/%custom_taxonomy%/%author%/%postname%/' ),
...
) );
?>Alternatively you can set the permalink structure from the permalinks settings page in admin.