public async override Task <CommandResult> ProcessAsync(DeleteQuestion command)
        {
            var isQuestionPresent = await _reader.ExistsAsync(command.QuestionId);

            if (!isQuestionPresent)
            {
                throw new DomainValidationException(command.Id, "Question doesn't exist", 15);
            }

            var question = new Question();
            await _writer.DeleteAsync(command.QuestionId);

            return(new VoidResult(command.Id, true));
        }