//[Cooldown(1, 5, CooldownBucketType.Guild)]
public async Task Warning(CommandContext ctx, DiscordUser username, [RemainingText] string reason = "Reason not specified")
{
await ctx.Message.DeleteAsync();
await ctx.TriggerTypingAsync();
await CustomMethod.WarnUserAsync(username, ctx.Member, ctx.Guild, ctx.Channel, reason, false);
}