https://docs.dhtmlx.com/scheduler/api/method/topdf/
toPDF method | DHTMLX Scheduler Docs
exports the current view to a PDF document (can be used for printing)
topdfmethoddhtmlxschedulerdocs
https://procodestore.com/index.php/product/node-js-images-topdf-module-to-convert-multiple-images-into-one-pdf-file/
Node.js Images toPdf Module to Convert Multiple Images into One PDF File - ProCodeStore