What is WSDL ? WSDL stands for W eb S ervice D escriptor L anguage. WSDL describes SOAP Web Service, i.e. what are input, output, SOAP service protocol etc. It is XML Document. WSDL Elements Definitions: WSDL starts with definitions root tag, it contains type , message , portType , binding and service. Definitions tag contains various attributes, which contains name (optional) - Web Service Name, targetNamespace is logical namespace information about service, xmlns , xmlns:soap & xmlns:xsd - standard namespace definition for describing SOAP webservice. type: contains data definition of basic to complex elements. This also includes reference external XSD message: This is abstract definition of types which are communicated as a part of web service request / response portType: This contains all operations available in web service with reference to all message binding: This contains protocol on which web service is operating, i.e. HTTP(s), SMTP etc. w...
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