woocommerce_update_product action-hook . WC 1.0

Usage

add_action( 'woocommerce_update_product', 'action_function_name_8001', 10, 2 );
function action_function_name_8001( $product_id, $product ){
	// action...
}

$product_id

-

$product

-

Where the hook is called

do_action( 'woocommerce_update_product', $product->get_id(), $product );

Where in WP core the hook is used WooCommerce

add_action( 'woocommerce_update_product', array( __CLASS__, 'clear_stock_count_cache' ) );