Need updated pdf extensions or jspdf extension software

Below the code is not working in my ThingWorx 9.3 instance.  Also please share an updated version of the  pdf extension.

var params = {
FileRepository:"filetest/SystemRepository/" /* THINGNAME */,
Rotated90Deg: false /* BOOLEAN */,
AppKey: "82041eee-7b0f-45bd-a2cd-df55547e7c0e" /* STRING */,
ServerAddress: "http://yyyyy.com:8080/Thingworx/Runtime/index.html?mashup=attachment3" /* STRING */,
OutputFileName: "MyPDFHari" /* STRING */,
Resolution:"1366*768" /* STRING */
};

// result: STRING
//var result=
Resources["PDFExport"].CreatePDF(params);