public async Task <RuntimeResult> ListOwnedRoleplaysAsync(IGuildUser?discordUser = null)
        {
            if (discordUser is null)
            {
                var authorUser = this.Context.User;
                if (!(authorUser is IGuildUser guildUser))
                {
                    return(RuntimeCommandResult.FromError("The owner isn't a guild user."));
                }

                discordUser = guildUser;
            }

            var getUserRoleplays = await _discordRoleplays.GetUserRoleplaysAsync(discordUser);

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

            var roleplays = getUserRoleplays.Entity.ToList();

            var appearance = PaginatedAppearanceOptions.Default;

            appearance.Title  = "Your roleplays";
            appearance.Author = discordUser;

            var paginatedEmbed = PaginatedEmbedFactory.SimpleFieldsFromCollection
                                 (
                _feedback,
                _interactivity,
                this.Context.User,
                roleplays,
                r => r.Name,
                r => r.Summary,
                "You don't have any roleplays.",
                appearance
                                 );

            await _interactivity.SendInteractiveMessageAndDeleteAsync
            (
                this.Context.Channel,
                paginatedEmbed,
                TimeSpan.FromMinutes(5.0)
            );

            return(RuntimeCommandResult.FromSuccess());
        }