Create Custom Post Type in WordPress. 2nd file enable adding cats and tags to the CPT.

Add-Cats-Tags-to-cpt.php

'taxonomies' => array('category', 'post_tag'),

add-custom-post-type.php

//* Create Custom Post Type add_action( 'init', 'add_custom_post_type' ); function add_custom_post_type() {    register_post_type( 'members',   array(    'labels' => array(     'name'          => __( 'Members', 'wpsites' ),     'singular_name' => __( 'Member', 'wpsites' ),    ),    'has_archive'  => true,    'hierarchical' => true,                         'menu_icon'    => 'dashicons-admin-users',    'public'       => true,    'rewrite'      => array( 'slug' => 'members', 'with_front' => false ),    'supports'     => array( 'title', 'editor', 'author', 'thumbnail', 'excerpt', 'trackbacks', 'custom-fields', 'revisions', 'page-attributes' ),    'taxonomies'   => array( 'member-type' ),                         'menu_position' => 2,     ));   }