Web Services Reference tabbed pane -> Web Service Reference section --> Add/Edit -> Add/Edit Web Services Reference dialog box -> Handlers button
In this dialog box, you can define or edit the set of classes for a web service endpoint or a service endpoint reference.
To choose the handler classes for the service endpoint in the Handlers pane:
To edit a handler class, select the row containing the handler class and click Edit Handlers button.
To rearrange the order of the handler classes, select the row containing the handler call, click Move Up to move the row up in the table. Click Move Down to move the row down in the table.
To define initialization parameters:
Additional information may be directed to any (or all) of the handlers by means of Soap envelope header blocks. To define a Soap header block:
The intended target (or targets) for a SOAP header is identified by a role identifier in the form of a URI. To add a Soap Role to the header: