woocommerce_get_transaction_url filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_get_transaction_url', 'filter_function_name_7141', 10, 3 );
function filter_function_name_7141( $return_url, $order, $that ){
	// filter...

	return $return_url;
}

$return_url

-

$order

-

$that

-

Where the hook is called

return apply_filters( 'woocommerce_get_transaction_url', $return_url, $order, $this );

Where in WP core the hook is used WooCommerce