public IActionResult CreateNewCustomer([FromBody] CustomerModels customerModels) { try { var customerClass = new CustomerClass(); var customer = customerClass.CreateCustomer(customerModels.FirstName, customerModels.Surname, customerModels.AddressLine1, customerModels.AddressLine2, customerModels.AddressLine3, customerModels.PostalCode, customerModels.TelephoneNumber, customerModels.MobileNumber, customerModels.SpecialNotes); var json = JsonSerializer.Serialize(customer, new JsonSerializerOptions() { IgnoreNullValues = true }); return(Ok(json)); } catch (Exception exception) { return(StatusCode(500, exception.Message)); } }