Special Variable Values Special Variable Values You can specify value as one of these special variables: A %TABLENAME or %CLASSNAME pseudo-column variable keyword. %TABLENAME returns the current table name. %CLASSNAME returns the name of the class corresponding to the current table. One or more of these ObjectScript special variables, including their abbreviated forms: $HOROLOG, $JOB, $NAMESPACE, $TLEVEL, $USERNAME, $ZHOROLOG, $ZJOB, $ZNSPACE, $ZPI, $ZTIMESTAMP, $ZTIMEZONE, $ZVERSION.