Slash Command optional parameter [Answered]

[SlashCommand("poll", "Create a poll where people can vote")]
        public async Task PollAsync(string Question, string answer1, string answer2, [Optional] string answer3, [Optional] string answer4, 
            [Optional] string answer5, [Optional] string answer6, [Optional] string answer7, [Optional] string answer8)
        {
            var pollBuilder = new SelectMenuBuilder()
                .WithPlaceholder("Select an option")
                .WithCustomId("menu-1")
                .WithMinValues(1)
                .WithMaxValues(1)
                .AddOption(answer1, "answer-1")
                .AddOption(answer2, "answer-2")
                .AddOption(answer3, "answer-3")
                .AddOption(answer4, "answer-4")
                .AddOption(answer5, "answer-5")
                .AddOption(answer6, "answer-6")
                .AddOption(answer7, "answer-7")
                .AddOption(answer8, "answer-8");

            var builder = new ComponentBuilder()
                .WithSelectMenu(pollBuilder);

            await RespondAsync(Question, components: builder.Build());