WordPress at a glance
action is not described

woocommerce_after_cart_item_quantity_update action-hook . WC 1.0

Usage

add_action( 'woocommerce_after_cart_item_quantity_update', 'action_function_name_7120', 10, 4 );
function action_function_name_7120( $cart_item_key, $quantity, $old_quantity, $that ){
	// action...
}
$cart_item_key
-
$quantity
-
$old_quantity
-
$that
-

Where the hook is called

WC_Cart::set_quantity()
woocommerce_after_cart_item_quantity_update
woocommerce/includes/class-wc-cart.php 1339
do_action( 'woocommerce_after_cart_item_quantity_update', $cart_item_key, $quantity, $old_quantity, $this );

Where in WP core the hook is used WooCommerce

Usage not found.