code: def soap_action(self, service, action, payloadbody):
          
          payload = self.soapenvelope.format(body=payloadbody).encode('utf-8')
          headers = {"Host": self.url,
                     "Content-Type": "text/xml; charset=UTF-8",
                     "Cache-Control": "no-cache",
                     "Content-Length": str(len(payload)),
                     "SOAPAction": action}
          try:
              response = self.session.post(
                  url=self.url + service, headers=headers, data=payload)
          except Exception as exp:
              return False
          if response.status_code != 200:
              return False
          try:
              xdoc = xml.etree.ElementTree.fromstring(response.text)
          except xml.etree.ElementTree.ParseError:
              return False
          return xdoc
docs: Do a soap request