in wvd-templates/diagnostics-sample/src/MSFT.WVD.Diagnostics/Controllers/HomeController.cs [114:120]
public async Task Logout()
{
_logger.LogInformation("Clear sessions and Logout from application");
HttpContext.Session.Clear();
await HttpContext.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
await HttpContext.SignOutAsync(OpenIdConnectDefaults.AuthenticationScheme);
}