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Attached you will find the java code that illustrates how to make Business Policies Management API SOAP call and how to log the soap request and response messsages.
You will first need to obtain the Business Policies Management API client stubs with the wsimport tool as below in order to run the code:
wsimport -extension http://developer.ebay.com/webservices/business-policies/latest/SellerProfilesManagementService.wsdl
Insert your user token in the CreateProfile.java file by replacing the string "INSERT_YOUR_TOKEN_HERE".