>If you mean 'Is there a way to determine if a column allows null values' then you might try the AFIELDS() function.
>
>AFIELDS will give you info about all of the columns in a table.
>
>Find the row in the resulting array for the Column that you are interested in, then look at column 5.
>
>Regards
>Mark

Mark, thanks very much - that is EXACTLY what i was looking for and
that is what makes the Universal Thread so great!