using var browserFetcher = new BrowserFetcher();
await browserFetcher.DownloadAsync();
await using var browser = await Puppeteer.LaunchAsync(
    new LaunchOptions { Headless = true });
await using var page = await browser.NewPageAsync();
await page.GoToAsync("http://www.google.com");
await page.ScreenshotAsync(outputFile);

await Page.SetViewportAsync(new ViewPortOptions
{
    Width = 500,
    Height = 500
});

using var browserFetcher = new BrowserFetcher();
await browserFetcher.DownloadAsync();
await using var browser = await Puppeteer.LaunchAsync(new LaunchOptions {Headless = true});
await using var page = await browser.NewPageAsync();
await page.GoToAsync("http://www.google.com"); // In case of fonts being loaded from a CDN, use WaitUntilNavigation.Networkidle0 as a second param.
await page.EvaluateExpressionHandleAsync("document.fonts.ready"); // Wait for fonts to be loaded. Omitting this might result in no text rendered in pdf.
await page.PdfAsync(outputFile);

await using var page = await browser.NewPageAsync();
await page.SetContentAsync("<div>My Receipt</div>");
var result = await page.GetContentAsync();

await using var page = await browser.NewPageAsync();
var seven = await page.EvaluateExpressionAsync<int>("4 + 3");
var someObject = await page.EvaluateFunctionAsync<dynamic>("(value) => ({a: value})", 5);
Console.WriteLine(someObject.a);

using (var page = await browser.NewPageAsync())
{
    await page.GoToAsync("http://www.spapage.com");
    await page.WaitForSelectorAsync("div.main-content")
    await page.PdfAsync(outputFile));
}

using (var page = await browser.NewPageAsync())
{
    await page.GoToAsync("http://www.spapage.com");
    var watchDog = page.WaitForFunctionAsync("()=> window.innerWidth < 100");
    await page.SetViewportAsync(new ViewPortOptions { Width = 50, Height = 50 });
    await watchDog;
}

var options = new ConnectOptions()
{
    BrowserWSEndpoint = $"wss://www.externalbrowser.io?token={apikey}"
};

var url = "https://www.google.com/";

using (var browser = await PuppeteerSharp.Puppeteer.ConnectAsync(options))
{
    using (var page = await browser.NewPageAsync())
    {
        await page.GoToAsync(url);
        await page.PdfAsync("wot.pdf");
    }
}