WordPress at a glance
filter is not described

woocommerce_shortcode_order_tracking_order_id filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_shortcode_order_tracking_order_id', 'filter_function_name_9723' );
function filter_function_name_9723( $order_id ){
	// filter...

	return $order_id;
}
$order_id
-

Where the hook is called

WC_Shortcode_Order_Tracking::output()
woocommerce_shortcode_order_tracking_order_id
woocommerce/includes/shortcodes/class-wc-shortcode-order-tracking.php 52
$order = wc_get_order( apply_filters( 'woocommerce_shortcode_order_tracking_order_id', $order_id ) );

Where in WP core the hook is used WooCommerce

woocommerce/includes/wc-order-functions.php 945
add_filter( 'woocommerce_shortcode_order_tracking_order_id', 'wc_sanitize_order_id' );