The operation wsPolicyServiceDelegate_GetPolicy is generated from the defined WSDL file which contains the service to retrieve the policy data (InsuranceTemplateBackendService\WebContent\WEB-INF\wsdl\PolicyService.wsdl). The input parameter of the service is the customer id which has been put into the session context in the login operation, the output is the object containing policy data.
Please refer to related *. transaction files under InsuranceTemplateWeb\src\definitions\operations for details.