Register Taxonomy

register-tax.php

function register_teams_taxonomy() {
	$labels = array(
		'name' => __( 'Teams', 'taxonomy general name' ),
		'singular_name' => __( 'Team', 'taxonomy singular name' ),
		'search_items' =>  __( 'Search Teams' ),
		'all_items' => __( 'All Teams' ),
		'parent_item' => __( 'Parent Team' ),
		'parent_item_colon' => __( 'Parent Team:' ),
		'edit_item' => __( 'Edit Team' ),
		'update_item' => __( 'Update Team' ),
		'add_new_item' => __( 'Add New Team' ),
		'new_item_name' => __( 'New Team Name' ),
		'menu_name' => __( 'Teams' ),
	);
	$args = array(
		'public' => true,
		 'hierarchical' => true,
		 'labels' => $labels,
		 'show_ui' => true,
		 'query_var' => true,
		 'rewrite' => array( 
			'slug' => 		'teams',
			'with_front' => true, 
		 ),
		 'show_admin_column' => true
	 );
	register_taxonomy("product_team", array("product"), $args );
	 
}

add_action( 'init', 'register_teams_taxonomy' );