| requestName | Yes | A unique Request Name specified for the Gateway Request. | 
            
              | requestGuid | Yes | A globally unique id (GUID) for the request. For information on
                how to generate a GUID refer to: http://betterexplained.com/articles/the-quick-guide-to-guids/ For information on creating GUIDs in Java refer
                to: http://www.javapractices.com/topic/TopicAction.do?Id=56 | 
            
              | mode | Yes | Indicates if the imported data is applicable can be set to
                  Apply or Test. Test mode does not
                actually make any changes to your data. Use Test mode to first verify that all the
                data you send can be properly imported. When the test mode returns created or merged
                status for all records, use the Apply
                option to permanently modify your data. | 
            
              | limitContactsToSite | No | If this parameter is set to true, the existing contact records are matched
                within the specified site. If this parameter is set to false (the default value) for
                the existing contact. |