[Key]
    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
    public int OptionId { get; set; }

    [Required]
    [MaxLength(40)]
    public String OptionName { get; set; }

[Key]
    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
    public int ValueId { get; set; }
    public int OptionId { get; set; }

    [Required]
    [MaxLength(32)]
    public String ValueName { get; set; }

public string Name { set; get; }
 public List<ProductValuesRequest> productValues { get; set; }

public int OptionId { get; set; }
 public string ValueName { get; set;}

ReturnString returnString = new ReturnString();
        ProductOption details = new ProductOption();
        details.OptionName = request.Name;
        object result = await productOptionRepository.InsertAsync(details, true);
        foreach (ProductValuesRequest valueRequest in request.productValues)

        {

            ProductOptionValue res = new ProductOptionValue();
            res.OptionId = valueRequest.OptionId;
            res.ValueName = valueRequest.ValueName;
            object response = await productOptionValueRepository.InsertAsync(res, true);
        }
        returnString.StringValue = result != null ? $"{request.Name} saved successfully" : "";
        return returnString;