PDF Mosaic: How to add URL link to PDF document using PDF Mosaic SDK for .NET

using PDFMosaic;
using System;
 
namespace UriAction2
{
    class UriAction2
    {
        static void Main()
        {
            PDFDocument pdf = new PDFDocument();
            pdf.Pages.Add(new PDFPage(PDFPaperFormat.A4));
 
            PDFURIAction urlAction = new PDFURIAction(new Uri(@"https://www.pdfmosaic.com/category/tools/"));
 
            PDFPushButton button = new PDFPushButton(20, 40, 120, 25, "btn1");
            button.Caption = "PDF Tools created with help of PDF Mosaic SDK";
            button.OnActivated = urlAction;
            button.Font.Size = 8;
 
            pdf.Pages[0].Annotations.Add(button);
 
            pdf.Save("AddURLAction.pdf", true);
        }
    }
}