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// For complete examples and data files, please go to https://github.com/groupdocsassembly/GroupDocs_Assembly_NET
//Setting up source open presentation template
const String strPresentationTemplate = "Presentation Templates/Numbered List_XML_OpenDocument.odp";
//Setting up destination open presentation report 
const String strPresentationReport = "Presentation Reports/Numbered List_XML Report.odp";
try
{
    //Instantiate DocumentAssembler class
    DocumentAssembler assembler = new DocumentAssembler();
    //Call AssembleDocument to generate Numbered List Report in open presentation format
    assembler.AssembleDocument(CommonUtilities.GetSourceDocument(strPresentationTemplate), CommonUtilities.SetDestinationDocument(strPresentationReport), DataLayer.GetAllDataFromXML(), "ds");
}
catch (Exception ex)
{
    Console.WriteLine(ex.Message);
}