woocommerce_register_taxonomy │ action-hook │ WC 1.0

Usage

add_action( 'woocommerce_register_taxonomy', 'wp_kama_woocommerce_register_taxonomy_action' );

/**
 * Function for `woocommerce_register_taxonomy` action-hook.
 * 
 * @return void
 */
function wp_kama_woocommerce_register_taxonomy_action(){

	// action...
}

Where the hook is called

do_action( 'woocommerce_register_taxonomy' );

Where the hook is used in WooCommerce

add_action( 'woocommerce_register_taxonomy', array( __CLASS__, 'init_taxonomy' ) );