docs: def set_application_property(self, key, value):
          """Set the application property.
  
          :param key: key of the property to set
          :type key: str
          :param value: value to assign to the property
          :type value: str
          """
          url = self._options['server'] + \
              '/rest/api/latest/application-properties/' + key
          payload = {
              'id': key,
              'value': value}
          return self._session.put(
              url, data=json.dumps(payload))