title: How to set Chrome experimental option in C# Selenium?
body: <p>How can I set a Chrome "experimental option" in Selenium, in C#? Specifically, I'm trying to set the recent http-auth-committed-interstitials flag to Disabled. I've tried various things with ChromeOptions.AddAdditionalCapability() &amp; ChromeOptions.AddArguments(), but nothing has worked. Or, if something <em>did</em> work, I can't find a way <em>tell</em> it worked, i.e. to determine that the option was actually set.</p>
  
  <p>Or, if there's a way to set experimental options on the command line, that would work too, since I can hopefully use the general-purpose ChromeOptions.AddArguments().</p>