private async Task <bool> AuthenticateAndAuthorizeAsync(HttpContext context, FunctionDescriptor descriptor)
        {
            var policyEvaluator        = context.RequestServices.GetRequiredService <IPolicyEvaluator>();
            AuthorizationPolicy policy = AuthUtility.CreateFunctionPolicy();

            // Authenticate the request
            var authenticateResult = await policyEvaluator.AuthenticateAsync(policy, context);

            // Authorize using the function policy and resource
            var authorizeResult = await policyEvaluator.AuthorizeAsync(policy, authenticateResult, context, descriptor);

            return(authorizeResult.Succeeded);
        }