woocommerce_variation_set_stock_status action-hook . WC 1.0

Usage

add_action( 'woocommerce_variation_set_stock_status', 'action_function_name_8733', 10, 3 );
function action_function_name_8733( $product_id, $product_stock_status, $product ){
	// action...
}

$product_id

-

$product_stock_status

-

$product

-

Where the hook is called

do_action( 'woocommerce_variation_set_stock_status', $product->get_id(), $product->get_stock_status(), $product );

Where in WP core the hook is used WooCommerce