Is there a way to use the Web Service Request to send a SOAP request

Is there a way to use the Web Service Request to send a SOAP request and watch for the return to be a valid reply?

The customer would have to format the soap request as the content of the message body for the request.  The response would need to be sent to a file and evaluated in a subsequent command.

Note: It is not easy.  The SOAP request message can be difficult to format manually. We do not support WSDL at this time.