WordPress at a glance
action is not described

woocommerce_ajax_added_to_cart action-hook . WC 1.0

Usage

add_action( 'woocommerce_ajax_added_to_cart', 'action_function_name_889' );
function action_function_name_889( $product_id ){
	// action...
}
$product_id
-

Where the hook is called

WC_AJAX::add_to_cart()
woocommerce_ajax_added_to_cart
woocommerce/includes/class-wc-ajax.php 423
do_action( 'woocommerce_ajax_added_to_cart', $product_id );

Where in WP core the hook is used WooCommerce

Usage not found.