HOW TO GET ID OF EDT IN MICROSOFT DYNAMICS AX

HOW TO GET ID OF EDT IN MICROSOFT DYNAMICS AX 

static void EDTNum(Args _args)
{
    int i;
    str s;
    ;
 
    i = extendedTypeNum(AccountName);
    s = extendedTypeStr(AccountName);
    print  int2Str(i);
    print  s;
    pause;
}