How to set proxy proxy-server including username and password as options.AdditionalBrowserArguments ? in WebView2

Question

How to set proxy proxy-server including username and password as options.AdditionalBrowserArguments in WebView2 , c# winforms

Tried with this code , but its not working..

CoreWebView2EnvironmentOptions options = new CoreWebView2EnvironmentOptions();
options.AdditionalBrowserArguments = "--proxy-server=000.00.000.000:8080@username:password";