>You could use the following, but it only 99,99% unique.
>
>cUnique = "_"+STR(INT(RAND()* 99999999 + 100000000),9)

Benn,

Random and Unique are not the same as I found out a few years ago. At a conference there was to be a contest and we used Rand to generate random badge numbers. When the code was run there were repeating values generated.