This is a brief tutorial that explains how to use WSDL to exchange information in a distributed environment. It uses plenty of examples to show the functionalities of the elements used in a WSDL file such as definitions, types, message, port type, binding, port, and service.
This tutorial is going to help all those readers who want to learn the basics of WSDL and use its features to interface with XML-based services.
WSDL is often used in combination with SOAP and XML Schema. Hence, you need to have a basic understanding of XML Schema, XML namespace, and web services in order to make the most of this tutorial.