text: 
  def wrap(campaign=None, lead=None):
      return (
          '<mkt:paramsRequestCampaign>' +
              '<source>MKTOWS</source>' +
              '<campaignId>' + campaign + '</campaignId>' +
              '<leadList>' +
                  '<leadKey>' +
                      '<keyType>IDNUM</keyType>' +
                      '<keyValue>' + lead + '</keyValue>' +
                  '</leadKey>' +
              '</leadList>' +
          '</mkt:paramsRequestCampaign>')
  