DynamicReportBuilder drbContent = new DynamicReportBuilder();
// get the styles
DJReportStyles djrst = getDjReportStyles();
DynamicReport drHeaderSubreport = new DJLetterHead();
drbContent.addSubreportInGroupHeader(1, drHeaderSubreport, new ClassicLayoutManager(), "", DJConstants.DATA_SOURCE_ORIGIN_FIELD, DJConstants.DATA_SOURCE_TYPE_COLLECTION);
// Sets the Report Columns, header, Title, Groups, Etc Formats
// DynamicJasper documentation
drbContent.setTitle(zksample2title);