public async Task <StatusCodes> CreateItemAsync(OpportunityViewModel opportunityViewModel, string requestId = "")
        {
            _logger.LogInformation($"RequestId: {requestId} - CreateItemAsync called.");

            Guard.Against.Null(opportunityViewModel, nameof(opportunityViewModel), requestId);
            Guard.Against.NullOrEmpty(opportunityViewModel.DisplayName, nameof(opportunityViewModel.DisplayName), requestId);
            try
            {
                var opportunity = await _opportunityHelpers.ToOpportunityAsync(opportunityViewModel, Opportunity.Empty, requestId);

                var result = await _opportunityRepository.CreateItemAsync(opportunity, requestId);

                Guard.Against.NotStatus201Created(result, "CreateItemAsync", requestId);

                return(result);
            }
            catch (Exception ex)
            {
                _logger.LogError($"RequestId: {requestId} - CreateItemAsync Service Exception: {ex}");
                throw new ResponseException($"RequestId: {requestId} - CreateItemAsync Service Exception: {ex}");
            }
        }