UDDI (Universal Description, Discovery, and Integration) protocol, explanation of, 119
UDTs ( user -defined types), examples of, 152, 293297
unescaped strings, including in SOAP messages, 476477
unsignedByte type, advisory about, 391
URLs (Uniform Resource Locators)
building, 444
pointing SOAP clients to, 470
sending HTTP requests to, 442443
use parameter of soap_handler attribute, explanation of, 131
user code, invoking, 334335
user input, accessing with ValidateAndExchange method, 6871
user-specific content, displaying with Passport, 369371
uuid COM attribute, description of, 290