Get underlying SQL query using getSQLStatement [Dynamics AX 2012]

static void SR_getSQLStatement(Args _args)

{

    CustTable custTable;

    CustTrans custTrans;

    ;

   

    select generateonly firstOnly AccountNum, CustGroup

        from custTable join custTrans where custTrans.AccountNum == custTable.AccountNum;

    info(custTable.getSQLStatement());

}