The document discusses various methods for creating XML files to use as data sources for XML Publisher reports in PeopleSoft, including manually creating XML strings, using file layout objects, rowset objects, and XMLDoc objects. It also covers considerations for generating XML files like ensuring unique file names for concurrent report generation and sample files for defining data sources in XML Publisher. The document is intended for users familiar with creating XML Publisher reports and outlines four sections: XML file creation methods, report invocation and creation using application packages, output presentation options, and XML file generation considerations.