PowerApps Create PDF of sharepoint custom form

I'm having trouble getting a pdf generated from a Sharepoint custom form in Powerapps.  I generate an HTML document in Powerapps and then use a Flow to save it and convert it to a pdf.  When I run the Flow it tests fine.  In Powerapps there are no errors with the code.  When I press the button that runs the process nothing seems to happen.  Here is the code for the button:

PDFButton.Run("Record Number -" & BrowseGallery1.Selected.ID, PDFExport.HtmlText, "Record Number -" & IDValue)

I've also attached the code for PDFExport.HtmlText that creates the html in Powerapps.  Any suggestions would be greatly appreciated.