Main account and dimension relation in AX

Hi,

static void AlfasithMainAccDimRel(Args _args)

{
    MainAccount     mainAccount;
    DimensionAttributeValueCombination  dimensionAttributeValueCombination;

    select mainAccount where mainAccount.MainAccountId == "140250"
                        &&  mainAccount.LedgerChartOfAccounts == LedgerChartOfAccounts::current();

     select dimensionAttributeValueCombination where dimensionAttributeValueCombination.MainAccount == mainAccount.RecId;
    print dimensionAttributeValueCombination.RecId ;

    pause;
}

Regards,