The Operation element represents an abstract function that can used between client and server. It contains Operation Input, Operation Output and Operation Fault elements that define the abstract functions usage.
An Operation can be added to a Port Type using the right click context menu.
Name -The name of the Operation.
Operation Type - The type of transmission supported. This is automatically set depending on the parameters specified. Values can be 'Request-response' (input message and output message), 'One-way' (input message only), 'Solicit-response' (output message and input message), or 'Notification' (output message only).
The WSDL code for a Port Type containing an Operation with an Operation Input, Operation Output and Operation Fault:
<portType name="NewPortType">
<operation name="NewOperation">
<input message="tns:NewInputMessage" />
<output message="tns:NewOutputMessage" />
<fault message="tns:ErrorMessage" />
</operation>
</portType>