The FMTDW() function performs data formatting according to a format template based on display width. The FMTDWS() function is identical to FMTDW() except that it works on each element of a dynamic array in turn, returning the result in a similarly delimited dynamic array.
The FMT() function sets the STATUS() function value to indicate whether the operation was successful. Possible values are
Operations that result in a non-zero STATUS() value return expr as the function result.