SOAP connectors can use web service policy data instances to securely communicate with a web service policy (WS-Policy) annotated web service. A WS-Policy annotated web service exposes its security policy by embedding a WS-Policy element in the WSDL. The WS-Policy contains a set of assertions that represent the capabilities and requirements of a web service. The SOAP connector can understand these assertions and apply necessary security to the payload accordingly.
WS Policy data instances are referenced on the Advanced tab of Connect SOAP rules.