cooldown command

[hazy cradle]

       private static readonly ConcurrentDictionary<ulong, DateTimeOffset> CommandExecutionTimestamps = new();

        [SlashCommand("example", "?")]
        public async Task ExampleCommand()
        {
            if (CommandExecutionTimestamps.TryGetValue(Context.User.Id, out var lastExecution) &&
                (DateTimeOffset.Now - lastExecution) < TimeSpan.FromSeconds(5))
            {
                await RespondAsync("Timeout", ephemeral: true);
                return;
            }
            
            await RespondAsync("Hello", ephemeral: true);
            CommandExecutionTimestamps[Context.User.Id] = DateTimeOffset.Now;
        }

someone on the discord api server helped me