from ironpdf import *

# Instantiate the Renderer and create PdfDocument from URL
renderer = ChromePdfRenderer()
pdf = renderer.RenderUrlAsPdf("https://www.nuget.org/packages/IronPdf")
 
# Apply watermark
pdf.ApplyWatermark("<h2 style='color:red'>SAMPLE</h2>", 30, VerticalAlignment.Middle, HorizontalAlignment.Center)
 
# Save your new PDF
pdf.SaveAs("Watermarked.pdf")