How i Can add a new record in a Keyword data set?

[Alejandro_Contr]

I need to add a new option with the API to a existing keyword data set, how i could do it, i have see in the SDK that i could use the next code for watch the actual values for the data set, but the question is... how i could add a new value to the data set.

//Retrieve the appropriate Keyword Type
KeywordType searchKeywordType = core.KeywordTypes.Find("Employee ID");

if (searchKeywordType == null)
{
Console.WriteLine("Employee ID keyword type was not found");
}

else
{
      //Get the Keyword Data Set for the Keyword Type
       KeywordDataSet keyworddataSet = searchKeywordType.GetKeywordDataSet();

      //Loop through the KeywordDataSetItem objects in the KeywordDataSet
       foreach (KeywordDataSetItem keyworddataSetItem in keyworddataSet)
       {
            switch (keywordDataSetItem.KeywordType.DataType)
            {
                    case KeywordDataType.AlphaNumeric:
                        string strValue = keywordDataSetItem.AlphaNumericValue;                  
                      // use value here
                        break;
                    case KeywordDataType.Numeric9:
                        long lngValue = keywordDataSetItem.Numeric9Value;

                        // use value here
                        break;
                    case KeywordDataType.Numeric20:
                        decimal decValue = keywordDataSetItem.Numeric20Value;

                        // use value here
                        break;
                    default:
                        break;
            }
    }
}

[Alejandro_Contr]

Thank You both, my data set is internal, so... i will try with the external option.