code: def get_message(self, method, args, kwargs, options=None):
          
  
          content = self.headercontent(method, options=options)
          header = self.header(content)
          content = self.bodycontent(method, args, kwargs)
          body = self.body(content)
          env = self.envelope(header, body)
          if self.options().prefixes:
              body.normalizePrefixes()
              env.promotePrefixes()
          else:
              env.refitPrefixes()
          return Document(env)
docs: Get the soap message for the specified method, args and soapheaders.
          This is the entry point for creating the outbound soap message.
          @param method: The method being invoked.
          @type method: I{service.Method}
          @param args: A list of args for the method invoked.
          @type args: list
          @param kwargs: Named (keyword) args for the method invoked.
          @type kwargs: dict
          @return: The soap envelope.
          @rtype: L{Document}