register taxonomy by post type

register-taxonomy-by-post-type.php

register_taxonomy( 'blog-assunto',
                    array( 'blog' ),
                    array(
                        'hierarchical'      => true,
                        'show_ui'           => true,
                        'query_var'         => true,
                        'show_admin_column' => false,
                        'labels'            => array (
                        'name'          => __( 'Assuntos', 'egali' ),
                        'singular_name' => __( 'Assunto', 'egali' ),
                        'search_items'  => __( 'Assuntos', 'egali' ),
                        'add_new_item'  => __( 'Adicionar novo assunto', 'egali' ),
                        'menu_name'     => __( 'Assuntos', 'egali' ),
                        )
));