Generate a PDF file for a transaction record in a suitelet.

• Create an xml file of the printing template.Store it in file cabinet

/**
 * @description function for rendering pdf file
 * @param {filePath}  specify the file path for the xml file for pdf    template(/suitescript/template/.../name.xml)
 * @param {recType}  specify the record type (salesorder/estimate/invoice....)
 * @param {Id} internal Id of the record to be printed.
 */
function renderPdfFile(filePath,recType,Id){
    var renderer = render.create();
    var xmlTemplateFile = file.load(filePath);
    var renderer = render.create();
    renderer.templateContent = xmlTemplateFile.getContents();
    renderer.addRecord({
        templateName: 'record',
        record: record.load({
            type: recType,
            id: Id
        })
    });

    var rendererFile = renderer.renderAsPdf();
    return rendererFile;

}