WordPress at a glance
action is not described

woocommerce_track_order action-hook . WC 1.0

Usage

add_action( 'woocommerce_track_order', 'action_function_name_6148' );
function action_function_name_6148( $order_id ){
	// action...
}
$order_id
-

Where the hook is called

WC_Shortcode_Order_Tracking::output()
woocommerce_track_order
woocommerce/includes/shortcodes/class-wc-shortcode-order-tracking.php 55
do_action( 'woocommerce_track_order', $order->get_id() );

Where in WP core the hook is used WooCommerce

Usage not found.