public async Task <RuntimeResult> StartRoleplayAsync
        (
            [RequireEntityOwnerOrPermission(typeof(StartStopRoleplay), PermissionTarget.Other)]
            Roleplay roleplay
        )
        {
            var startRoleplayResult = await _discordRoleplays.StartRoleplayAsync
                                      (
                (ITextChannel)this.Context.Channel,
                roleplay
                                      );

            if (!startRoleplayResult.IsSuccess)
            {
                return(startRoleplayResult.ToRuntimeResult());
            }

            var joinedUsers = roleplay.JoinedUsers.Select
                              (
                async p => await this.Context.Client.GetUserAsync((ulong)p.User.DiscordID)
                              );

            var joinedMentions = joinedUsers.Select(async u => (await u).Mention);

            var channel = await this.Context.Guild.GetTextChannelAsync((ulong)roleplay.ActiveChannelID !);

            var participantList = (await Task.WhenAll(joinedMentions)).Humanize();

            await channel.SendMessageAsync($"Calling {participantList}!");

            var activationMessage = $"The roleplay \"{roleplay.Name}\" is now active in " +
                                    $"{MentionUtils.MentionChannel(channel.Id)}.";

            return(RuntimeCommandResult.FromSuccess(activationMessage));
        }
    public async Task <Result <FeedbackMessage> > StartRoleplayAsync
    (
        [RequireEntityOwner]
        [AutocompleteProvider("roleplay::owned")]
        Roleplay roleplay
    )
    {
        var startRoleplayResult = await _discordRoleplays.StartRoleplayAsync
                                  (
            _context.ChannelID,
            roleplay
                                  );

        if (!startRoleplayResult.IsSuccess)
        {
            return(Result <FeedbackMessage> .FromError(startRoleplayResult));
        }

        var activationMessage = $"The roleplay \"{roleplay.Name}\" is now active in " +
                                $"<#{roleplay.ActiveChannelID!.Value}>.";

        return(new FeedbackMessage(activationMessage, _feedback.Theme.Secondary));
    }