Force a Reload of URL based on DB Change

I am out of ideas and looking for a solution. I have built a plant display screen that displays PDF’s from a database. The path to the PDF stays the same but gets updated automatically to the latest version every time the web address is called. How to I force the Perspective PDF viewer to update when the PDF is updated? I have a separate query that will change a token, every time a new file is updated. Any ideas would be greatly appreciated!!!

There’s no way for Ignition to know it changed. You have to poll the DB. To avoid actually pulling the bytes every time, you’d need to have some metadata in that row that changes.

Or, perhaps, consider not using the same URL. Include the token as a parameter. That should cause a requery. (Save the token in a tag, to then include in the URL.)