Are you referring to this ? http://docs.oracle.com/cd/E37100_01/doc.121/e27777/reports.htm#BCGBHIDD
If so, only you can provide the sample XML data file. BI Publisher uses data in XML format as input and "marries" it to a report layout in RTF format to produce the needed output. Since only you know what data is supposed to be in the report and what the layout of the report is, only you can provide the needed sample data in XML format, along with the RTF layout.