WSDL Differences for One-Way Web Methods WSDL Differences for One-Way Web Methods If the return type of a method is defined as %SOAP.OneWayOpens in a new tab, the WSDL is different from the default in the following ways: Within the <binding> element, the <operation> element for that method does not include an <output> element. Within the <portType> element, the <operation> element for that method does not include an <output> element. The WSDL does not include a <message> element for the response message.
